Fcgamma receptor (FCGR) dependent phagocytosis (Homo sapiens)

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Revision as of 21:19, 31 October 2018 by ReactomeTeam (Talk | contribs)
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8, 17, 37, 732825, 297, 18, 22, 38, 48...6311, 62, 9021, 4086201, 9, 14, 49, 55...62, 906364, 9224, 3212, 41, 77805, 27, 3656, 6715, 34, 45, 64, 88...16, 9331, 42, 53, 6826, 3351, 8587, 8859, 69, 70, 73, 8239, 46, 502, 4, 44, 60, 71...58, 8961, 813, 3075, 7654, 66, 8619, 23, 435, 3647, 52, 6513, 576, 2835, 79cytosolphagocytic cupendoplasmic reticulum lumenIg kappa chain V-II region Cum IgH heavy chain V-III region VH26 precursor p-Y151-WASF3 p-Y151-WASF1 IGLV1-36(1-?) IGKV1-12 Ig kappa chain V-I region Daudi clusteredIgG-Ag:p-FCGRs:p-6Y-SYK:PLCGIg kappa chain V-I region Daudi IGLC3 ARPC2 Ig heavy chain V-III region JON Ig kappa chain V-I region DEE IGLV2-23(1-?) Ig kappa chain V-I region AG IGLV2-18(1-?) Ig kappa chain V-II region Cum IGKV2-28 IGKV2-28 Ig lambda chain V-I region HA Ig heavy chain V-II region OU IGLV1-44(1-?) p-5S-ABI1 IGHG1 Ig kappa chain V-I region Wes CDC42 Ig heavy chain V-II region NEWM IGKV2D-30 VAV1 Antigen CRK IGLC7 IGLV4-60(1-?) p-Y150,S343,T346-WASF2 IGHG2 IGLV1-44(1-?) IGLV4-69(1-?) WIPF1 IGLV2-23(1-?) IGLV7-43(1-?) IGKV1-5(23-?) Ig lambda chain V-I region NEWM Ig kappa chain V-I region Daudi ATPIg heavy chain V-II region ARH-77 Ig lambda chain V-IV region Kern IGKV2-28 IGLV5-37(1-?) Ig lambda chain V region 4A Ig lambda chain V-IV region Hil Ig heavy chain V-II region MCE GTP Ig lambda chain V-II region TOG ADPIg lambda chain V-II region TOG PAK1 IGLV4-60(1-?) ACTR3 RAC1:GDPIg heavy chain V-III region TRO IGLV3-12(1-?) IGLV3-25(1-?) Ig heavy chain V-III region KOL GRB2-1 IGKC Ig kappa chain V-II region FR Ig kappa chain V-III region B6 WIPF1 Ig heavy chain V-III region KOL Ig kappa chain V-II region RPMI 6410 Ig lambda chain V-I region NEWM Ig lambda chain V-VI region AR IGLV4-60(1-?) IGHG2 CDC42:GTP:p-Y-WASP/p-Y-WASL:WIP:SH3 proteinsIg lambda chain V-III region LOI IGKV4-1(21-?) Ig lambda chain V-IV region Bau Ig heavy chain V-I region EU IGLC1 IGLV4-3(1-?) IGLV5-37(1-?) Ig lambda chain V-I region HA IGHG4 Ig lambda chain V-III region LOI Ig kappa chain V-I region BAN ARAIg heavy chain V-III region BUT Ig lambda chain V-I region VOR IGLV1-40(1-?) ADPAntigen Ig kappa chain V-I region HK101 Ig heavy chain V-III region TRO CYFIP1 IGKV4-1(21-?) CYFIP1 p-Y288,Y304-FCGR2A ATPIGLV2-11(1-?) Ig lambda chain V-II region NEI Ig kappa chain V-II region FR Ig kappa chain V-I region DEE IGLC3 Ig kappa chain V-I region AU BRK1 FCGR1A Ig heavy chain V-I region EU Ig kappa chain V-III region B6 IGHG2 IGHV(1-?) IGLV3-27(1-?) p-6Y-SYK Ig lambda chain V-II region NEI IgH heavy chain V-III region VH26 precursor Ig heavy chain V-II region NEWM Ig heavy chain V-II region NEWM H2OIg heavy chain V-III region TRO Ig lambda chain V-III region SH p-6Y-CD247-1 IGLV2-33(1-?) VAV3 Ig heavy chain V-III region BUT IGLV7-43(1-?) ARPC1A Ig kappa chain V-I region Wes ADPIGLV2-18(1-?) Ig kappa chain V-I region Daudi PPAPDC1B Ig kappa chain V-I region HK101 IGLV3-27(1-?) IgH heavy chain V-III region VH26 precursor Ig kappa chain V-III region VG IGLV10-54(1-?) IGKV4-1(21-?) PAK1 Ig heavy chain V-III region DOB Ig lambda chain V-IV region Kern ADPGTP IGLV2-18(1-?) Ig lambda chain V-IV region Hil WASF2 ARPC2 Ig lambda chain V-IV region Kern IGLV8-61(1-?) Ig heavy chain V-II region ARH-77 Ig heavy chain V-III region DOB IGHV(1-?) IGKVA18(21-?) Ig heavy chain V-III region BRO Ig kappa chain V-I region Wes IGHV(1-?) clusteredIgG-Ag:p-FCGRs:SYKIg lambda chain V-II region BOH FCGRIIIA:CD3G/CD3ZdimersActivated WAVE2 andWASP/N-WASPp-Y160,Y171-CD3G Ig lambda chain V-I region NEWM Ig kappa chain V-I region Wes WIPF1 Ig heavy chain V-III region BRO PIK3CB ADPIg lambda chain V region 4A IGLV3-27(1-?) IGKV1-5(23-?) IGKC Ig heavy chain V-II region MCE p-4Y-PLCG1 IGLC3 ARPC1B Ig kappa chain V-I region Daudi Ig lambda chain V-II region MGC BRK1 IGHG1 IGLV3-25(1-?) Ig lambda chain V-IV region Hil IGLV3-16(1-?) MYO1C NCKIPSD IGLV5-45(1-?) FCGR1A Ig lambda chain V region 4A Ig heavy chain V-I region EU Ig lambda chain V-III region LOI ACTG1 ATPIGLV3-22(1-?) Ig kappa chain V-III region POM IGLV3-12(1-?) p-6Y-SYK Ig kappa chain V-II region FR Ig lambda chain V-II region MGC Ig lambda chain V-II region TOG IGLV(23-?) WAS p-6Y-CD247-1 Ig heavy chain V-III region BUT IGHG1 IGHG3 Ig heavy chain V-I region HG3 Ig lambda chain V-IV region Bau IGLV2-33(1-?) IGLV(23-?) IGHG4 SH3 domain proteinsNCKAP1L IGLV2-18(1-?) IGLV11-55(1-?) Ig kappa chain V-III region POM IGHG3 Ig kappa chain V-II region Cum PI(3,4,5)P3 ABI1 PIK3R1 IGLV4-60(1-?) ARPC5 Ig kappa chain V-III region POM Ig kappa chain V-II region Cum Ig heavy chain V-III region BRO PI(4,5)P2 Ig kappa chain V-II region RPMI 6410 Ig lambda chain V-I region HA IGLV3-22(1-?) IGLV3-27(1-?) IGHG4 Ig heavy chain V-III region JON Myosin-ActinfilamentsclusteredIgG-Ag:p-FCGRsCYFIP1 IGLV3-22(1-?) Ig kappa chain V-I region BAN PiADPIGHV1-2 ARPC5 IGLV11-55(1-?) IGLV4-3(1-?) Ig lambda chain V-II region MGC clusteredIgG-Ag:p-FCGRs:p-6Y-SYK:VAVIGLV5-45(1-?) AHCYL1:NAD+:ITPR1:I(1,4,5)P3 tetramerCD3G FCGR3A IGHV7-81(1-?) HSP90AA1 IgH heavy chain V-III region VH26 precursor FCGR3A Ig heavy chain V-III region BUT Ig lambda chain V-VI region AR IGLV7-46(1-?) Ig lambda chain V-VI region AR IGKV1-12 IGLV3-16(1-?) IGKV2D-30 Ig heavy chain V-II region MCE IGLV3-12(1-?) IGLC7 Ig lambda chain V-II region BOH CDC42 p-Y151,S,T-WASF1 IGLV3-12(1-?) IGLV4-69(1-?) GTP IGLV2-23(1-?) Ig lambda chain V-VI region AR Ig kappa chain V-II region RPMI 6410 Ig heavy chain V-II region WAH Antigen Ig lambda chain V-II region NEI IGKV2-28 IGLC7 IGKV2D-30 Ig lambda chain V-III region SH Ig kappa chain V-I region AU Ig lambda chain V region 4A Motherfilament:branchingcomplex:daughterfilamentFCGR3A p-Y160,Y171-CD3G IGKVA18(21-?) IgH heavy chain V-III region VH26 precursor Ig kappa chain V-I region BAN IGLV5-37(1-?) FGR F-actin IGLV3-27(1-?) Ig kappa chain V-I region HK101 IGLV4-60(1-?) Ig kappa chain V-I region AU Ig heavy chain V-I region EU IGKV2-28 Ig heavy chain V-II region OU IGLV1-36(1-?) Ig kappa chain V-III region VG Ig kappa chain V-I region BAN PLDGTPIg kappa chain V-II region RPMI 6410 Ig kappa chain V-I region Wes Ig heavy chain V-II region ARH-77 Ig lambda chain V region 4A Ig lambda chain V region 4A Ig heavy chain V-I region HG3 IGLV1-40(1-?) IGKV4-1(21-?) PI(4,5)P2 PCCa2+IGLV3-25(1-?) Ig heavy chain V-III region KOL Ig kappa chain V-II region RPMI 6410 p-Y288,Y304-FCGR2A Ig lambda chain V-IV region Hil ACTR3 IGHG4 IGLV4-60(1-?) IGLV4-69(1-?) ARPC5 Ig lambda chain V-II region TOG Ig lambda chain V-II region NEI ABI1 IGLV10-54(1-?) IGLV3-12(1-?) p-Y288,Y304-FCGR2A Ig heavy chain V-III region BRO IGLV5-37(1-?) Ig kappa chain V-I region Gal Antigen IGLV3-25(1-?) Ig lambda chain V-I region HA Ig lambda chain V-II region MGC F-actin IGHG3 ACTB(1-375) IGKV2D-30 HSP90AB1 Ig kappa chain V-III region POM Ig kappa chain V-I region BAN Ig kappa chain V-I region AG Ig kappa chain V-I region BAN Ig heavy chain V-III region DOB IGLV2-23(1-?) IGLV2-23(1-?) p-Y160,Y171-CD3G Ig heavy chain V-I region HG3 IGKV4-1(21-?) Ig kappa chain V-I region Wes CDC42:GDPNCKAP1L IGLV5-45(1-?) IGHG3 IGLC7 Ig lambda chain V-I region VOR Ig heavy chain V-III region TRO Ig heavy chain V-III region WEA IgH heavy chain V-III region VH26 precursor IGLC3 Ig kappa chain V-III region VG Ig heavy chain V-III region KOL Ig kappa chain V-II region FR IgH heavy chain V-III region VH26 precursor clusteredIgG-Ag:p-FCGRsIg kappa chain V-I region HK101 Ig heavy chain V-II region NEWM IGHV(1-?) IGKV1-12 Ig heavy chain V-III region JON IGHG1 IGKV3D-20 IGLV3-12(1-?) IGLV1-44(1-?) IGHG3 Ig kappa chain V-III region VG IGLV8-61(1-?) Ig lambda chain V-I region HA p-Y173-VAV3 p-Y753,Y759,Y1217-PLCG2 IGHG4 IGLV2-18(1-?) ABI2 IGHG1 p-Y291-WAS p-Y288,Y304-FCGR2A Ig heavy chain V-III region JON Ig heavy chain V-III region BRO Ig kappa chain V-I region DEE Ig kappa chain V-I region DEE IGLV3-16(1-?) Ig lambda chain V-III region LOI Ig heavy chain V-III region BRO IGLV4-3(1-?) IgH heavy chain V-III region VH26 precursor Ig kappa chain V-III region VG IGKV4-1(21-?) IGKV2D-30 IGLV4-60(1-?) ARPC1B Ig lambda chain V-I region VOR VAV2 Ig lambda chain V-II region NEI Ig kappa chain V region EV15 DOCK1 Ig kappa chain V region EV15 Ig lambda chain V-III region LOI Ig kappa chain V-II region Cum ARPC1B Ig kappa chain V-II region Cum IGLV7-43(1-?) ARPC2 IGKV4-1(21-?) Ig heavy chain V-III region CAM Ig heavy chain V-III region CAM Ig heavy chain V-II region ARH-77 IGHG4 IGLV8-61(1-?) IGLV4-60(1-?) Ig lambda chain V-I region VOR BRK1 Ig heavy chain V-II region WAH p-Y150-WASF2 IGLV4-3(1-?) p-Y753,Y759,Y1217-PLCG2 Ig kappa chain V-II region RPMI 6410 IGLV1-40(1-?) IGLV7-46(1-?) IGKV1-5(23-?) Ig kappa chain V-II region RPMI 6410 IGKC IGHG2 IGKV1-5(23-?) ATPIg kappa chain V-II region RPMI 6410 PLA2G6Ig heavy chain V-I region EU IGKV1-12 IGHG3 Ig heavy chain V-II region NEWM IGLV3-16(1-?) p-5S-ABI1 IGLV2-33(1-?) Ig lambda chain V-IV region Bau p-6Y-CD247-1 IGLV1-36(1-?) Ig heavy chain V-III region DOB Ig lambda chain V-IV region Kern Ig kappa chain V-I region Daudi p-Y288,Y304-FCGR2A Src-kinasesIg lambda chain V-II region MGC IGHG2 ABI2 IGKV1-12 Ig kappa chain V-I region Daudi NCK1 ADPHSP90AA1,HSP90AB1IGKV1-5(23-?) IGHV1-2 IGHG2 Ig lambda chain V-IV region Hil Ig heavy chain V-II region WAH Ig heavy chain V-III region BUT IGLC3 WAVE RegulatoryComplexp-S,T508-LIMK1 Ig kappa chain V-I region Gal Ig heavy chain V-I region EU IGHG3 WIPF2 p-Y151-WASF3 WIPF2 Ig kappa chain V-I region Gal PRKCE IGLV11-55(1-?) IGKV2D-30 IGLV10-54(1-?) ARPC3 p-Y288,Y304-FCGR2A CDC42 PLD2 NCKAP1 p-6Y-CD247-1 Ig kappa chain V-I region AG CRK:DOCK180:ELMO1,ELMO2Ig heavy chain V-III region WEA Ig heavy chain V-II region MCE p-Y291-WAS Ig kappa chain V-I region Daudi Antigen IGKV2D-30 VAV3 Ig heavy chain V-III region JON IGLV4-60(1-?) FCGR3A IGKVA18(21-?) IGKV2-28 MYO10 Ig lambda chain V region 4A Ig lambda chain V-III region SH IGHV(1-?) IGLV1-40(1-?) GTP IGLV8-61(1-?) PI(3,4,5)P3Ig heavy chain V-I region EU PLCG2 Ig kappa chain V-I region Wes Ig kappa chain V-II region FR IGHV1-2 Ig kappa chain V-III region VG Ig lambda chain V-I region NEW IGLV4-69(1-?) Ig heavy chain V-II region NEWM p-Y160,Y171-CD3G IGKV2-28 IGLV7-43(1-?) Ig heavy chain V-II region NEWM p-S144,T423-PAK1ABI1 p-Y150-WASF2 ARP2/3 complex (ATPbound)IGLV1-36(1-?) ARPC4 ACTR2 IGHG2 Ig lambda chain V-VI region AR ACTB(1-375) Ig heavy chain V-I region EU IGHV(1-?) IGLV11-55(1-?) IGLC2 p-T508-LIMK1IGLV3-25(1-?) IGLV1-40(1-?) IGKV3D-20 Ig kappa chain V-I region AG ACTR3 IGLV4-69(1-?) Ig lambda chain V-I region NEW IGLV1-40(1-?) IGLV4-3(1-?) IGLV3-22(1-?) IGKC IGLV2-23(1-?) Ig kappa chain V-I region AU IGLV2-11(1-?) IGLV1-36(1-?) GRB2-1 Ig heavy chain V-III region BUT IGKV1-5(23-?) Ig kappa chain V-I region Gal Ig heavy chain V-III region KOL Ig heavy chain V-III region BUT CYFIP2 ARPC1A Ig kappa chain V-II region FR Ig heavy chain V-II region OU IGLC2 IGLV5-45(1-?) IGLV3-27(1-?) GDPIGHV1-2 Ig heavy chain V-III region WEA Ig kappa chain V-I region DEE Ig heavy chain V-III region BRO Ig lambda chain V-II region BOH Ig lambda chain V-I region VOR IGLV7-46(1-?) Activated WAVE2 andWASP/N-WASP:ARP2/3complex:G-actinIGLC7 IGHV7-81(1-?) CDC42 Ig kappa chain V-I region BAN IGLC7 PCARPC1B Ig lambda chain V region 4A IGKV2D-30 ARPC4 IGLV3-12(1-?) IGLV3-22(1-?) Ig lambda chain V-VI region AR Ig lambda chain V-II region TOG IGLV1-40(1-?) PIK3R1 Ig lambda chain V-I region VOR Ig lambda chain V-II region NEI IGLV2-18(1-?) IGLC7 IGLV5-45(1-?) ABI1 FCGR1A IGHV7-81(1-?) ARPC2 Ig heavy chain V-III region CAM IGHG1 IGLV3-16(1-?) IGHG1 IGLV3-22(1-?) IGLV7-43(1-?) IGHV7-81(1-?) Ig lambda chain V-II region NEI Antigen Ig lambda chain V-I region NEW IGLV3-12(1-?) Ig kappa chain V-I region Gal IGLV3-16(1-?) IGLV(23-?) ARPC1B Ig heavy chain V-III region CAM Ig kappa chain V-I region DEE Ig kappa chain V-I region DEE IGKV3D-20 Ig kappa chain V-II region FR p-Y291-WAS HSP90AA1 IGLV(23-?) IGLV2-11(1-?) FCGR3A Ig lambda chain V-IV region Bau Ig lambda chain V-VI region AR WIPF2 Ig kappa chain V-I region DEE Ig lambda chain V-IV region Hil Ig lambda chain V-I region NEWM Ig lambda chain V-II region BOH IGLC6 Ig heavy chain V-II region OU Antigen PIK3R2 Ig kappa chain V-III region POM IGLV3-22(1-?) Ig kappa chain V-I region Gal IGHG3 Ig lambda chain V-IV region Bau Ig heavy chain V-I region HG3 ACTR3 Ig heavy chain V-II region OU Ig kappa chain V-II region RPMI 6410 Ig kappa chain V-II region FR Ig kappa chain V-I region HK101 Ig lambda chain V-II region TOG IGLC2 IGHV7-81(1-?) IGKV1-5(23-?) IGLV8-61(1-?) IGLC6 IGLV10-54(1-?) Ig kappa chain V-II region Cum IGHV1-2 p-Y151-WASF1 IGLV2-11(1-?) Ig heavy chain V-II region ARH-77 Ig heavy chain V-II region MCE IGLC3 NCKAP1L Ig heavy chain V-II region NEWM IGLV5-45(1-?) Ig heavy chain V-I region EU IGLV3-22(1-?) Ig kappa chain V-I region BAN IGKV3D-20 Ig kappa chain V-I region AU Ig lambda chain V-II region NEI IGLC2 p-T507,S645,S664-PRKCD(1-676) Ig kappa chain V-III region B6 IGLV2-11(1-?) Ig lambda chain V-II region MGC Ig kappa chain V-I region Wes Ig lambda chain V-IV region Bau IGHG3 PI(3,4,5)P3 MYH9 GTP IGKV2D-30 IGLV4-60(1-?) IGLC2 Ig kappa chain V-II region Cum N-WASP IGLV1-36(1-?) Ig kappa chain V-I region AG IGLC3 Ig heavy chain V-III region TRO Ig kappa chain V-II region RPMI 6410 IGLC7 Ig heavy chain V-II region OU NCKIPSD p-Y288,Y304-FCGR2A IGKC p-6Y-CD247-1 IGLC2 Ig lambda chain V-IV region Bau IGLV2-33(1-?) GTPIg kappa chain V-I region HK101 IGLV7-43(1-?) IGLV7-46(1-?) Ig kappa chain V-II region FR Ig kappa chain V-I region DEE IGLC1 IGKVA18(21-?) ADPIGLV3-16(1-?) Ig kappa chain V-I region Gal NCKAP1 ITPR1 Ig lambda chain V-I region NEW Ig kappa chain V-I region AG Ig kappa chain V-II region Cum Ig heavy chain V-III region BUT IGHG3 CYFIP2 Ig heavy chain V-II region ARH-77 Ig heavy chain V-II region WAH MYO1C p-Y160,Y171-CD3G Ig lambda chain V-I region HA Ig kappa chain V-II region FR p-6Y-CD247-1 RAC1 IGLV3-25(1-?) Ig lambda chain V-II region MGC Antigen Ig heavy chain V-III region WEA Ig heavy chain V-III region CAM IGLV2-11(1-?) ABI2 Ig kappa chain V-I region Wes CYFIP1 Ig kappa chain V-III region VG IGLV1-36(1-?) IGLC3 Ig kappa chain V-I region Gal Ig lambda chain V-I region VOR Ig lambda chain V-I region HA Ig heavy chain V-III region TRO IGLV1-44(1-?) p-Y150,S343,T346-WASF2 IGLV3-16(1-?) IGHV7-81(1-?) Ig lambda chain V-I region NEW IGLV3-27(1-?) IGLV1-40(1-?) Ig kappa chain V-II region FR BRK1 Ig kappa chain V-I region AU IGKC IGLV5-45(1-?) IGKV1-5(23-?) GTP Ig heavy chain V-III region WEA p-Y151,S,T-WASF3 Ig lambda chain V-IV region Bau IGLV2-11(1-?) IGLV1-36(1-?) GTP IGLV4-3(1-?) F-actinIg kappa chain V-I region AU Ig heavy chain V-I region HG3 IGKV2-28 IGKV4-1(21-?) ATPIgG-Ag:FCGRIIIA:CD3G/CD3Z dimersIg heavy chain V-III region JON Ig kappa chain V region EV15 Ig lambda chain V-I region HA Ig kappa chain V-II region RPMI 6410 Ig kappa chain V-I region AU Ig kappa chain V-I region HK101 Ig kappa chain V-III region B6 Ig lambda chain V-I region VOR IGLV10-54(1-?) IGLV3-16(1-?) Ig lambda chain V-II region NEI IGLV3-27(1-?) Ig lambda chain V-IV region Hil FCGR1A Ig heavy chain V-III region BRO PLCG1 FCGR3A IGKV2-28 Ig heavy chain V-III region JON p-Y172-VAV2 p-Y160,Y171-CD3G IGLV11-55(1-?) Ig lambda chain V-VI region AR Ig kappa chain V-I region Wes Ig lambda chain V-II region TOG Ig heavy chain V-III region BUT Ig lambda chain V-VI region AR IGLC1 Ig heavy chain V-III region WEA GTP IGLV5-45(1-?) Ig heavy chain V-III region BRO ITPR:I(1,4,5)P3tetramerIGLV2-33(1-?) Ig heavy chain V-II region WAH IGHG2 IGLV4-69(1-?) PI(3,4,5)P3 IGHV(1-?) RAC1 IGLC2 ACTR3 Ig heavy chain V-III region CAM IGLV10-54(1-?) Ig heavy chain V-I region EU ARPC1B FCGR1A IGHG3 IGLC3 Ig heavy chain V-III region DOB IGLV3-25(1-?) Ig lambda chain V-II region MGC Ig heavy chain V-III region DOB Ig kappa chain V region EV15 Ig heavy chain V-I region HG3 WIPF3 IGKV3D-20 Ig lambda chain V-VI region AR Ig kappa chain V-I region Daudi IGLV10-54(1-?) WIP family proteinsIGKV1-12 IGLV2-11(1-?) IGHV7-81(1-?) IGLV1-40(1-?) Ig kappa chain V-I region Daudi IGLV7-43(1-?) Ig lambda chain V-VI region AR PI(3,4)P2 Ca2+RAC1:GTPp-6Y-SYK PI(3,4,5)P3 ABI1 GTP IGLV11-55(1-?) IGLV1-44(1-?) IGLC1 WIPF1 ARPC4 IGKV2-28 p-6Y-SYK PI(3,4,5)P3 Ig lambda chain V-III region LOI Ig heavy chain V-III region JON IGKVA18(21-?) Ig lambda chain V-III region SH N-WASP IGLC6 Ig lambda chain V-I region VOR p-T202,Y204-MAPK3 Ig heavy chain V-II region ARH-77 Ig lambda chain V-I region NEW Antigen IGKV1-12 IGKV3D-20 ARPC1A IGKV1-12 IGLV1-44(1-?) PI(4,5)P2MYO9B ITPR3 Ig kappa chain V-I region Wes IGLV3-12(1-?) IGLV7-46(1-?) IGKC ELMO1 IGLV3-16(1-?) Ig kappa chain V-II region Cum IGLV4-60(1-?) IGKV1-5(23-?) IGLC3 IGLV2-18(1-?) ACTG1 WASF3 Ig kappa chain V-I region Wes MYH2 Ig heavy chain V-III region BRO IGLC1 ITPR2 IGLV4-69(1-?) GTP ACTR3 IGLV1-40(1-?) IGKV1-5(23-?) IGLV4-69(1-?) GDP IGLV2-23(1-?) IGHG3 Ig kappa chain V-III region VG Ig heavy chain V-I region HG3 IGLV5-45(1-?) IgH heavy chain V-III region VH26 precursor YES1 NCKAP1 ARPC3 p-6Y-SYK Ig heavy chain V-II region MCE Ig heavy chain V-I region HG3 Ig heavy chain V-III region DOB IGLV7-43(1-?) IGLV7-43(1-?) Ig lambda chain V-I region HA IGHV1-2 IGKV2-28 p-Y160,Y171-CD3G PI(3,4,5)P3 PIK3CA Ig kappa chain V-I region Gal RAC1 I(1,4,5)P3Ig kappa chain V-I region DEE IGKC Ig heavy chain V-III region KOL Ig kappa chain V-I region AG IGLV4-69(1-?) Ig heavy chain V-II region MCE Ig heavy chain V-II region WAH Ig kappa chain V-II region Cum Motherfilament:branchingcomplexp-Y150,S343,T346-WASF2 Ig heavy chain V-II region OU G-actinIg lambda chain V-VI region AR IGLV(23-?) ACTR3 Ig lambda chain V-VI region AR ARPC5 Ig kappa chain V-I region AG p-Y-WRC:IRSp53/58:RAC1:GTP:PIP3Ig lambda chain V-II region MGC Ig kappa chain V-I region DEE ITPR3 IGLC6 FCGR3A Ig heavy chain V-III region DOB FCGR3A IGKVA18(21-?) Ig lambda chain V-III region LOI IGKV2D-30 IGLV1-36(1-?) IGLV3-25(1-?) CYFIP1 BAIAP2 Ig kappa chain V-I region AG IGLV1-44(1-?) WASF3 IGKV4-1(21-?) p-Y256-WASL H2OIGLV5-37(1-?) Ig kappa chain V-I region BAN IgH heavy chain V-III region VH26 precursor Ig lambda chain V-III region LOI ACTB(1-375) Ig lambda chain V-I region NEWM IGLV2-18(1-?) Ig kappa chain V region EV15 PIK3CA IGLV11-55(1-?) IGLV2-11(1-?) Ig kappa chain V-III region POM Ig heavy chain V-II region OU PI(3,4,5)P3WIPF2 IGLV5-45(1-?) PKC-delta/epsilonIg heavy chain V-II region ARH-77 IGLV10-54(1-?) ADPUnknown GEFIg lambda chain V-I region NEWM Ig lambda chain V-IV region Kern Ig kappa chain V region EV15 Ig lambda chain V-IV region Kern Ig kappa chain V-II region Cum IGLV7-46(1-?) ARPC4 IGHV1-2 IGLV1-40(1-?) Ig heavy chain V-III region BRO Ig kappa chain V-III region POM IGLC6 IGLV7-46(1-?) Ig kappa chain V-I region HK101 AHCYL1 PI(4,5)P2 BRK1 IGLC1 NCKIPSD Ig kappa chain V-II region RPMI 6410 Antigen ITPR1 ABI2 Ig lambda chain V-II region TOG RAC1 NCK1 IGLC1 Ig lambda chain V-I region HA IGHV1-2 IGKV2D-30 Ig lambda chain V-I region HA FCGR2AACTR2 IGLV11-55(1-?) IGLV(23-?) Ig heavy chain V-III region JON IGLV2-11(1-?) Ig kappa chain V-III region B6 Ig lambda chain V-II region NEI FCGR2A FCGR1A ATPIGLV7-43(1-?) IGKV4-1(21-?) WAS p-4S-ABI2 IGLV11-55(1-?) IGLV8-61(1-?) Ig lambda chain V-III region LOI Ig heavy chain V-III region CAM Ig heavy chain V-I region HG3 IGLV2-33(1-?) IGLV7-43(1-?) Ig lambda chain V-I region VOR Ig kappa chain V-III region VG Ig heavy chain V-III region KOL Myosin-X dimerADP Ig lambda chain V-IV region Bau PI(4,5)P2 Ig heavy chain V-II region OU Ig lambda chain V-I region NEW WIPF3 IGKVA18(21-?) Ig lambda chain V-IV region Kern IGHV(1-?) IGLC6 IGLV2-23(1-?) DAGsBAIAP2 IGLV11-55(1-?) IGLV2-33(1-?) IGLV2-23(1-?) PI(3,4)P2Ig heavy chain V-III region BRO IGHV7-81(1-?) p-Y151,S,T-WASF3 Ig kappa chain V-I region Gal IGLC6 IGLV3-16(1-?) ARPC4 ARPC3 Ig kappa chain V-III region B6 IGKV1-12 IGLV2-23(1-?) NCKIPSD p-Y160,Y171-CD3G IGHV(1-?) IGLV2-33(1-?) IGHV7-81(1-?) IGLV3-12(1-?) Ig kappa chain V-I region AU IGLC2 Ig lambda chain V-II region BOH NCKAP1L Ig lambda chain V-III region LOI IGLV5-45(1-?) NCKAP1L Ig heavy chain V-III region CAM Ig kappa chain V-I region Wes CD247-1 IGLV1-40(1-?) p-5S-ABI1 CD3G IGLV7-46(1-?) MYO9B Ig kappa chain V-I region HK101 Ig lambda chain V-VI region AR p-Y151,S,T-WASF1 Ig heavy chain V-III region BUT Ig kappa chain V-III region POM Ig heavy chain V-I region EU Ig kappa chain V-III region VG IGLV3-25(1-?) Ig kappa chain V-II region FR FCGR3A IGKV1-12 IGLC1 ARPC1A Ig kappa chain V-I region AU GTP Ig lambda chain V-III region SH LIMK1IgG-Ag:FCGRIIAIGLV2-11(1-?) GTP p-6Y-SYK Ig kappa chain V-II region RPMI 6410 Ig heavy chain V-II region ARH-77 Ig kappa chain V-III region VG IGLV3-27(1-?) Ig kappa chain V-I region Gal IGHV(1-?) IGLV(23-?) Ig heavy chain V-III region BUT Ig lambda chain V-III region LOI IGHV7-81(1-?) ITPR2 ATPp-Y151-WASF1 IGLV10-54(1-?) IGLV3-25(1-?) IGLV8-61(1-?) ACTG1 WRC:IRSp53/58:RAC1:GTP:PIP3FCGR2A IGKVA18(21-?) IGKC IGKV2D-30 Ig lambda chain V-II region NEI Ig heavy chain V-III region DOB IGHG2 Ig heavy chain V-II region NEWM Ig heavy chain V-III region WEA p-Y160,Y171-CD3G IGLV11-55(1-?) IGLV4-3(1-?) IGLV2-18(1-?) IGKV1-12 Ig heavy chain V-III region WEA CD3G IGLV3-12(1-?) IGHG2 Ig heavy chain V-II region ARH-77 Ig heavy chain V-II region MCE IGLV11-55(1-?) Ig kappa chain V-I region Daudi IGLC1 Antigen IGLV5-37(1-?) IGLV(23-?) p-Y174-VAV1 Ig kappa chain V-III region B6 IGLV2-11(1-?) ELMO2 MyosinPLCG1 Ig kappa chain V region EV15 Ig kappa chain V-II region RPMI 6410 Ig kappa chain V-I region Wes ATPCD3G Ig heavy chain V-III region KOL IGLV2-18(1-?) ARPC4 Ig lambda chain V-II region BOH Ig heavy chain V-III region JON IGLC2 Ig kappa chain V-II region Cum Ig heavy chain V-III region CAM IGLC6 Ig heavy chain V-II region WAH Ig kappa chain V-I region Gal Ig lambda chain V-IV region Bau Ig heavy chain V-I region EU MYH2 PIK3R2 IGLV7-46(1-?) IGLV(23-?) IGLV5-37(1-?) Ig lambda chain V-IV region Hil p-6Y-CD247-1 Ig heavy chain V-II region MCE ACTG1 IGKC Ig kappa chain V-I region BAN Ig lambda chain V-I region NEW IGKV3D-20 CDC42:GTPIg kappa chain V-I region AG Ig lambda chain V-I region NEWM FCGR1A Ig lambda chain V-IV region Bau IGLC1 PLD4 IGLV3-22(1-?) CDC42 Ig lambda chain V-II region MGC Ig kappa chain V-I region Daudi WIPF3 ABI1 Ig heavy chain V-III region WEA Ig kappa chain V-I region AU p-PLCGIg heavy chain V-III region KOL Ig lambda chain V-II region TOG IGHV7-81(1-?) WASP/N-WASPIg lambda chain V-IV region Kern p-6Y-SYK Ig heavy chain V-III region KOL FCGR3A IgH heavy chain V-III region VH26 precursor Ig lambda chain V-I region HA IGHG4 Ig heavy chain V-III region TRO HSP90AB1 Ig kappa chain V-I region HK101 IGLV8-61(1-?) Ig lambda chain V-II region BOH IGLC3 IGLV4-69(1-?) IGLV4-69(1-?) Ig heavy chain V-III region CAM Ig lambda chain V-II region TOG WAS IGHG1 Ig lambda chain V-I region HA Ig lambda chain V-II region TOG Ig lambda chain V region 4A Ig lambda chain V-II region MGC Ig kappa chain V-III region B6 IGHV1-2 p-T508-LIMK1 IGLV11-55(1-?) IGLC2 FCGR1A IGLV7-46(1-?) IGKV4-1(21-?) RAC1 IGKV2D-30 Ig kappa chain V-I region DEE Ig lambda chain V-I region VOR PPAPDC1A IGLV4-3(1-?) ARPC3 clusteredIgG-Ag:p-FCGRs:p-6Y-SYK:p-3Y-PLCGIg kappa chain V region EV15 ACTG1 Ig lambda chain V-II region NEI IGKV4-1(21-?) Ig lambda chain V-IV region Bau IGLV1-44(1-?) Ig lambda chain V-I region NEW Ig kappa chain V-I region Wes IGLV5-37(1-?) FCGR1A p-Y151-WASF1 ADPIg kappa chain V-II region RPMI 6410 clusteredIgG-Ag:p-FCGRsChoIg lambda chain V-I region NEWM Ig kappa chain V region EV15 Ig heavy chain V-III region TRO Ig kappa chain V-I region HK101 IGLV8-61(1-?) CRKII:DOCK180:ELMOcomplex recruitedto phagocytic cupIGLV3-27(1-?) Active LIMK1IGLV5-45(1-?) ARPC2 FCGR1A IGLV1-44(1-?) Ig lambda chain V-II region NEI p-Y151,S,T-WASF1 Ig lambda chain V-III region LOI IGLV4-3(1-?) Ig lambda chain V region 4A IGLV3-12(1-?) IGLV5-37(1-?) Ig kappa chain V-I region Daudi FCGR1A PI(3,4,5)P3IGLV3-16(1-?) IGLC7 IGKC PI(4,5)P2 IGLC7 Ig lambda chain V-IV region Bau IGLV5-45(1-?) Ig lambda chain V-II region BOH Ig kappa chain V-III region POM IGKV2-28 Ig heavy chain V-III region JON IGLV3-27(1-?) IGLV8-61(1-?) Ig lambda chain V-II region BOH IGLV2-33(1-?) BAIAP2Ig lambda chain V-I region VOR CDC42:GTP:WASP/N-WASP:WIP:SH3 proteinsIGLC2 IGLV1-36(1-?) Ig heavy chain V-III region JON CDC42 PLCG2 Ig kappa chain V-III region POM IGLV5-37(1-?) Ig kappa chain V-III region B6 IGLC1 Ig lambda chain V-I region NEW IGHG3 IGLV7-46(1-?) Ig lambda chain V region 4A Ig heavy chain V-III region KOL CDC42 Ig lambda chain V-I region HA IGLV2-11(1-?) Ig lambda chain V-IV region Hil IGHV1-2 PI(3,4,5)P3 Ig kappa chain V-I region Gal Ig lambda chain V-IV region Bau Antigen:IgGIGLV1-44(1-?) p-4S-ABI2 Ig heavy chain V-II region NEWM Ig kappa chain V-I region AG IGKV4-1(21-?) Antigen IGLV1-36(1-?) p-6Y-CD247-1 NCKAP1L Ig kappa chain V-I region Daudi NCK1 Ig heavy chain V-III region JON p-6Y-CD247-1 ADPIGLV3-27(1-?) IGLV4-69(1-?) SYKIGLV1-36(1-?) IGLC7 IGLV8-61(1-?) PTK2 ABL1IGKV1-5(23-?) IGLV3-16(1-?) IGLC6 Ig kappa chain V-I region DEE WASF1 Ig kappa chain V-I region BAN GRB2-1 IGLV5-45(1-?) RAC1 Ig heavy chain V-I region HG3 RAC1 Ig heavy chain V-I region HG3 RAC1 IGLV4-3(1-?) p-Y288,Y304-FCGR2A ATPIGKV3D-20 Ig heavy chain V-II region WAH Ig lambda chain V-IV region Hil IGHV1-2 IGLV10-54(1-?) IGLC3 IGKV2-28 CYFIP1 Ig kappa chain V-III region B6 Ig lambda chain V-I region HA Ig lambda chain V-III region SH Ig lambda chain V-II region MGC IGLC2 Ig kappa chain V-II region FR IGKV1-12 CYFIP2 PAK1IGKVA18(21-?) IGKV1-5(23-?) CDC42 IGLV8-61(1-?) IGHV(1-?) H2OPAK1 dimerIg heavy chain V-III region JON IGLV3-27(1-?) IGHG1 Ig kappa chain V-II region RPMI 6410 Ig heavy chain V-III region CAM IGLV1-40(1-?) IGLV(23-?) IGLV2-33(1-?) Ig heavy chain V-II region ARH-77 ADPARPC3 Ig kappa chain V-III region VG Ig lambda chain V region 4A Ig heavy chain V-II region MCE IGLV8-61(1-?) PI(4,5)P2 IGLC6 Ig lambda chain V-IV region Kern IGLV1-44(1-?) IGLV2-33(1-?) IGHG4 PAIGKV4-1(21-?) GRB2-1 pCofilin: ActiveLIMK-1ATP p-4S-ABI2 IGKV3D-20 Ig kappa chain V region EV15 Ig lambda chain V region 4A IGHG1 IGKC CYFIP1 Ig kappa chain V-I region Gal IGLV3-25(1-?) IGLV3-22(1-?) ELMO2 Ig lambda chain V-IV region Bau IGLC1 IGKVA18(21-?) Ig heavy chain V-III region TRO FCGR1A IGLC3 Ig heavy chain V-III region DOB Ig heavy chain V-III region WEA Ig heavy chain V-III region WEA BRK1 Ig kappa chain V region EV15 Ig kappa chain V-III region VG IGLV3-25(1-?) PiIg lambda chain V-III region LOI IGLV11-55(1-?) Ig heavy chain V-II region WAH Ig lambda chain V-III region SH Ig kappa chain V-I region AU ATPIGLV7-46(1-?) WIPF1 Ig kappa chain V-III region B6 Ig lambda chain V-II region TOG Ig heavy chain V-II region WAH HCK Ig heavy chain V-II region NEWM Ig lambda chain V-II region BOH Ig lambda chain V-I region VOR Ig lambda chain V-III region SH Ig kappa chain V-I region Gal IGLC1 FCGR3A F-actin IGKV1-12 p-T566,T710,S729-PRKCE Ig lambda chain V-II region BOH IGLC6 IGHG2 IGLV1-40(1-?) IGLV10-54(1-?) Ig lambda chain V-IV region Kern p-S,T508-LIMK1 CD3G p-Y288,Y304-FCGR2A PI3KIGHG4 Ig heavy chain V-I region HG3 Ig heavy chain V-III region BRO Ig heavy chain V-III region BRO BAIAP2 Ig lambda chain V-I region VOR IGLC6 Ig lambda chain V-II region MGC Ig heavy chain V-III region CAM IGLV2-11(1-?) ATP IGLV4-69(1-?) IGLV1-40(1-?) Ig kappa chain V-I region Daudi IGLV1-36(1-?) Ig heavy chain V-II region ARH-77 IGLV7-46(1-?) Ig lambda chain V-IV region Hil Ig heavy chain V-II region MCE IGKV3D-20 DAGsIGKV1-5(23-?) Ig heavy chain V-II region OU IGKV3D-20 p-Y288,Y304-FCGR2A Ig lambda chain V-VI region AR IGLV2-23(1-?) BAIAP2 NCKAP1 ARPC3 IGKV2D-30 CD247-1 Ig lambda chain V-I region VOR p-Y291-WAS ACTR2 Ig lambda chain V-II region BOH IGLV5-37(1-?) PLC gamma1,2IGKVA18(21-?) IGLC2 IGHV7-81(1-?) IGLV3-25(1-?) IGLV4-69(1-?) IGHV(1-?) ATPIg lambda chain V-II region BOH Ig kappa chain V-I region DEE IGLC6 IGHV1-2 IGLV4-3(1-?) Ig kappa chain V-I region BAN p-4S-ABI2 IGKV2D-30 p-Y,S,T-WRC:IRSp53/58:RAC1:GTP:PIP3Ig kappa chain V-I region HK101 IGLV8-61(1-?) Ig heavy chain V-II region NEWM Ig heavy chain V-III region CAM IGLV2-23(1-?) Ig lambda chain V-I region VOR IGHG1 Ig kappa chain V-I region Wes Ig heavy chain V-II region MCE IGHV7-81(1-?) ARPC3 IGLV2-11(1-?) Ig heavy chain V-III region CAM IGLV3-22(1-?) IGLV1-44(1-?) RAC1:GTP,CDC42:GTP:PAK1Ig kappa chain V-III region VG IGHG1 IGLV1-36(1-?) IGLV2-33(1-?) Ig lambda chain V-I region NEWM Ig lambda chain V-IV region Kern Ig kappa chain V-III region B6 p-4Y-PLCG1Antigen Ig heavy chain V-III region BUT CYFIP2 IGLV4-60(1-?) IGLV2-23(1-?) IGLV7-43(1-?) Ig kappa chain V-III region POM Ig heavy chain V-III region KOL IGLV3-27(1-?) WIPF2 Ig lambda chain V-I region NEW VAV1,2,3CYFIP2 ATPIGLV8-61(1-?) IGLV5-37(1-?) Ig heavy chain V-III region TRO Ig heavy chain V-III region DOB ACTR2 Ig heavy chain V-II region WAH Actin filament boundMyosin-XNCK1 p-Y256-WASL IGLC7 Ig kappa chain V-I region HK101 ARPC1B Ig kappa chain V-I region AG WIPF1 Ig lambda chain V-I region NEWM IGHV1-2 IgG-Ag:FCGRIA:CD3Ghomodimerp-4Y-PLCG1 Ig heavy chain V-III region TRO CDC42 Ig kappa chain V-III region B6 Phospho-PKC-delta/epsilonIGKV1-5(23-?) Ig lambda chain V-I region NEWM I(1,4,5)P3 MYO10 ACTR2 IGHG3 IP3 receptorhomotetramerIGHG2 SRC-1 ATPIg lambda chain V region 4A IGLV4-3(1-?) IGHV7-81(1-?) Ig heavy chain V-III region DOB Ig heavy chain V-II region ARH-77 IGLC7 FCGR1A GTP Ig lambda chain V-I region NEWM Ig lambda chain V-II region NEI Ig lambda chain V-I region NEW IGLV3-25(1-?) Ig kappa chain V-III region POM MYO5A IGKVA18(21-?) Ig kappa chain V-I region BAN IGLV10-54(1-?) IGLV1-36(1-?) ATP PLD1 CD247-1 Ig lambda chain V-I region NEWM Ig lambda chain V-II region TOG IGLV3-27(1-?) Antigen WIPF3 Ig kappa chain V-III region POM IGLV2-18(1-?) IGLV4-3(1-?) IGKV1-12 Ig heavy chain V-III region JON CYFIP2 Ig heavy chain V-III region TRO IGHV7-81(1-?) Ig heavy chain V-III region TRO IGLV2-33(1-?) Motherfilament:ARP2/3:actin:ADPIGLV10-54(1-?) Ig heavy chain V-II region MCE DOCK1 Ig heavy chain V-II region NEWM p-Y151-WASF3 Ig kappa chain V region EV15 NCKAP1 ATP IgH heavy chain V-III region VH26 precursor F-actin IGHG3 FCGR3A Ig kappa chain V-I region HK101 IGLV2-18(1-?) Ig heavy chain V-III region CAM IGLC2 Ig kappa chain V-I region AU IGLV2-23(1-?) BAIAP2 Ig kappa chain V-II region FR Ig heavy chain V-II region WAH Ig lambda chain V-I region NEW NF2G-actinIGLV1-44(1-?) Ig kappa chain V-I region DEE Ig heavy chain V-II region MCE Ig lambda chain V-III region SH IGKV2-28 MYO5A ATP IGLV2-18(1-?) IGLV4-69(1-?) p-Y151,S,T-WASF3 Ig kappa chain V-III region POM p-Y160,Y171-CD3G ARPC5 Ig heavy chain V-III region JON IGLC3 Ig heavy chain V-II region WAH ABI2 IGLC7 pLIMK dimer:HSP-90Ig heavy chain V-III region WEA Ig heavy chain V-II region OU Ig heavy chain V-III region KOL CDC42:GTP:WASP/N-WASPp-Y150-WASF2 ATPIg lambda chain V-II region MGC Ig kappa chain V region EV15 IGHV(1-?) PI(4,5)P2PIK3CB IGHG4 p-T,Y MAPK dimersIGHG4 Ig lambda chain V region 4A IGLV4-60(1-?) Ig lambda chain V-II region TOG ITPR1 IGLV3-22(1-?) ATP IGLV2-23(1-?) IGLV4-3(1-?) Ig lambda chain V-I region NEWM NCKIPSD ARPC4 p-Y151,S,T-WASF1 IGLV3-22(1-?) MYH9 IGLV(23-?) IGKC ADP FCGR3A IGLV3-16(1-?) IGLV7-46(1-?) Ig heavy chain V-II region ARH-77 IGLC6 BTK Ig heavy chain V-III region BRO Ig lambda chain V-II region MGC Ig lambda chain V-III region SH LYN Ig kappa chain V-I region AG Ig kappa chain V-I region Gal IGLC3 Ig kappa chain V-III region B6 p-Y256-WASL Ig heavy chain V-III region CAM ADPIg heavy chain V-II region NEWM Ig lambda chain V-IV region Kern IGKV1-12 IGHV(1-?) Ig lambda chain V-IV region Kern IGKV1-5(23-?) clusteredIgG-Ag:p-FCGRs:p-6Y-SYK:p-VAVIGLV1-40(1-?) p-5S-ABI1 IGLV4-60(1-?) Ig heavy chain V-II region NEWM Ig lambda chain V-II region TOG Ig lambda chain V region 4A IGLV7-43(1-?) BRK1 Ig heavy chain V-III region BUT Ig heavy chain V-I region HG3 IGLV(23-?) GDP Ig heavy chain V-II region OU FCGRIA:CD3GhomodimerIg heavy chain V-II region ARH-77 Ig heavy chain V-II region WAH Ig kappa chain V-III region B6 p-Y150-WASF2 IGLV3-25(1-?) IgH heavy chain V-III region VH26 precursor Ig heavy chain V-III region KOL ABI2 IGLV2-33(1-?) p-T185,Y187-MAPK1 ELMO1 p-Y160,Y171-CD3G Ig heavy chain V-III region DOB IGLV2-23(1-?) Ig lambda chain V-III region SH Ig lambda chain V-IV region Bau Ig kappa chain V-III region POM F-actin Ig lambda chain V-III region LOI VAV2 Ig lambda chain V-I region NEWM Ig heavy chain V-II region NEWM PiIGHG1 Ig lambda chain V-IV region Hil IGLV3-16(1-?) Ig kappa chain V-II region FR Ig lambda chain V-IV region Hil IGLV8-61(1-?) IGLV3-27(1-?) ACTB(1-375) Ig kappa chain V-I region AU IGLC1 IGLC3 Ig lambda chain V-II region BOH IGLC2 Ig heavy chain V-I region HG3 WIPF3 IGHV(1-?) IGKV1-5(23-?) IGLV7-43(1-?) IGKVA18(21-?) CRK Ig kappa chain V-II region Cum IGHG3 GRB2-1 IGHG4 Ig lambda chain V-II region BOH clusteredIgG-Ag:FCGRsIGKVA18(21-?) FYN IGLV5-37(1-?) IGLV3-16(1-?) Ig kappa chain V-III region POM IGLV1-36(1-?) CYFIP2 Antigen IGKC Ig kappa chain V region EV15 IGHV7-81(1-?) p-Y256-WASL ACTR2 Ig lambda chain V-III region SH PhosphatidatephosphataseIg heavy chain V-II region OU IGLV4-3(1-?) ARPC5 IGKV1-12 IGLV7-46(1-?) Ig lambda chain V-IV region Kern IGKC IGHG4 IGLC2 NCK1 IGHG2 Ig lambda chain V-I region NEW ARPC1A ATPIGLC1 Ig heavy chain V-III region WEA IGHG1 IGKV2-28 Ig kappa chain V-II region Cum NCKAP1 p-Y288,Y304-FCGR2A PI(3,4,5)P3 PLD3 IGLV4-3(1-?) Ig kappa chain V-III region B6 IGLV5-37(1-?) Ig heavy chain V-II region MCE ATP IGLV2-33(1-?) p-6Y-CD247-1 NCKAP1L IGHG2 ARPC2 IGKVA18(21-?) Ig heavy chain V-III region BUT IGHG1 IGHG4 IGLV5-45(1-?) ACTR2 VAV1 Ig heavy chain V-II region ARH-77 PRKCD IGLV10-54(1-?) Ig kappa chain V-I region AU Ig kappa chain V-I region BAN Ig kappa chain V-I region AG NAD+ IGLC7 IGKV2D-30 IGLV3-25(1-?) Ig heavy chain V-II region OU IGKV4-1(21-?) Ig kappa chain V-I region Daudi IGHV1-2 Antigen Ig heavy chain V-III region WEA NCKAP1 IGKV3D-20 IGHG1 Ig heavy chain V-I region EU IGLV2-18(1-?) Ig lambda chain V-IV region Kern Ig lambda chain V-III region LOI WIPF2 IGLV1-44(1-?) WIPF3 p-Y151,S,T-WASF3 IGHG2 Ig kappa chain V-I region HK101 IGLV3-22(1-?) IGLV5-45(1-?) IGHG2 Ig heavy chain V-III region KOL IGKVA18(21-?) ARPC1A 2-LysophosphatidylcholineIg heavy chain V-II region WAH IGLV7-43(1-?) IGHG4 Ig lambda chain V-III region SH p-Y151-WASF3 Ig kappa chain V-I region DEE IGLV10-54(1-?) Ig heavy chain V-III region DOB IGLV1-44(1-?) Ig kappa chain V region EV15 Ig heavy chain V-III region BRO IGLV3-12(1-?) IGLC6 Ig lambda chain V-II region NEI Ig lambda chain V-IV region Hil Ig heavy chain V-III region BUT IGLV11-55(1-?) GRB2-1 PI3K:p-6Y-SYKIg heavy chain V-III region WEA IGKV3D-20 ITPR2 Ig lambda chain V-III region SH IGLV(23-?) IgH heavy chain V-III region VH26 precursor Ig kappa chain V-III region VG IGLV10-54(1-?) Ig heavy chain V-II region OU IGLV4-60(1-?) Ig heavy chain V-III region TRO Ig kappa chain V-II region Cum IGLC1 Ig lambda chain V-II region BOH ADP Ig kappa chain V-I region HK101 clusteredIgG-Ag:p-FCGRs:p-6Y-SYKH2OARPC1A ATP Ig lambda chain V-I region NEW Ig lambda chain V-IV region Hil Ig lambda chain V-VI region AR IGLV3-22(1-?) IGLC7 Ig lambda chain V-III region SH IGLV3-12(1-?) IGLC6 IGKV3D-20 IGHV1-2 IGLV(23-?) IGKV3D-20 Ig heavy chain V-I region HG3 Ig heavy chain V-II region MCE IGLV11-55(1-?) NCKIPSD Ig kappa chain V-III region VG IGLV(23-?) IGLV(23-?) ATP ARPC5 IGLV4-60(1-?) Ig kappa chain V-I region AG BAIAP2 CDC42:GTP, RAC1:GTPWASF1 IGKC WASF2 IGLV7-43(1-?) Ig lambda chain V-II region MGC IGHV(1-?) Ig heavy chain V-III region WEA IGLV2-33(1-?) Ig kappa chain V-I region BAN NCK1 IGLV4-69(1-?) IGLV2-18(1-?) IGHG4 Ig heavy chain V-II region OU IGKV4-1(21-?) RAC1 PI(4,5)P2Ig heavy chain V-I region EU IGLV3-12(1-?) p-Y150,S343,T346-WASF2 GDPIg heavy chain V-I region HG3 IGLV5-37(1-?) Ig lambda chain V-I region HA RAC1 IgH heavy chain V-III region VH26 precursor FCGR3A CFL1p-6Y-CD247-1 IGLV5-37(1-?) IGLV1-44(1-?) Ig heavy chain V-II region WAH Ig lambda chain V-I region NEW Ig heavy chain V-III region DOB SYK Ig lambda chain V-II region NEI Ig lambda chain V-III region LOI Ig lambda chain V-IV region Hil Ig heavy chain V-III region TRO IGLV3-22(1-?) Ig kappa chain V region EV15 Ig lambda chain V-II region TOG ARPC2 Ig heavy chain V-III region BUT IgH heavy chain V-III region VH26 precursor p-S3-CFL1 N-WASP IGLV3-12(1-?) IGHV1-2 FCGR1A CDC42 ACTB(1-375) IGKV3D-20 Ig heavy chain V-III region KOL Ig heavy chain V-I region EU IGLV2-18(1-?) Ig heavy chain V-III region DOB Ig kappa chain V-I region AU Ig lambda chain V-III region SH IGLV7-46(1-?) Ig kappa chain V-I region AG IGKV2-28 Ig kappa chain V-II region FR Src family kinases(SFKs)ITPR3 I(1,4,5)P3 Ig heavy chain V-III region TRO Ig kappa chain V-I region BAN Ig lambda chain V-IV region Kern IGLV2-11(1-?) Ig heavy chain V-I region EU Ig lambda chain V-I region NEWM 78781010, 1110


Description

Phagocytosis is one of the important innate immune responses that function to eliminate invading infectious agents. Monocytes, macrophages, and neutrophils are the professional phagocytic cells. Phagocytosis is a complex process involving the recognition of invading foreign particles by specific types of phagocytic receptors and the subsequent internalization of the particles. Fc gamma receptors (FCGRs) are among the best studied phagocytic receptors that bind to Fc portion of immunoglobulin G (IgG). Through their antigen binding F(ab) end, antibodies bind to specific antigen while their constant (Fc) region binds to FCGRs on phagocytes. The clustering of FCGRs by IgG antibodies on the phagocyte initiates a variety of signals, which lead, through the reorganisation of actin cytoskeleton and membrane remodelling, to the formation of pseudopod and phagosome. Fc gamma receptors are classified into three classes: FCGRI, FCGRII and FCGRIII. Each class of these FCGRs consists of several individual isoforms. Among all these isoforms FCGRI, FCGRIIA and FCGRIIIA, are able to mediate phagocytosis (Joshi et al. 2006, Garcia Garcia & Rosales 2002, Nimmerjahn & Ravetch 2006). View original pathway at:Reactome.

Comments

Reactome-Converter 
Pathway is converted from Reactome ID: 2029480
Reactome-version 
Reactome version: 65
Reactome Author 
Reactome Author: Garapati, Phani Vijay

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Ontology Terms

 

Bibliography

View all...
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History

View all...
CompareRevisionActionTimeUserComment
118475view20:32, 27 May 2021FinterlyRemoved incorrect and duplicated openControlledVocabulary PW:0000234
114947view16:47, 25 January 2021ReactomeTeamReactome version 75
113391view11:46, 2 November 2020ReactomeTeamReactome version 74
112853view13:31, 12 October 2020DeSlFixing ontology tag error
112849view13:02, 12 October 2020DeSlOntology Term : 'innate immune response pathway' added !
112596view15:57, 9 October 2020ReactomeTeamReactome version 73
101512view11:37, 1 November 2018ReactomeTeamreactome version 66
101048view21:19, 31 October 2018ReactomeTeamreactome version 65
100579view19:52, 31 October 2018ReactomeTeamreactome version 64
100128view16:38, 31 October 2018ReactomeTeamreactome version 63
99678view15:07, 31 October 2018ReactomeTeamreactome version 62 (2nd attempt)
99271view12:45, 31 October 2018ReactomeTeamreactome version 62
94053view13:54, 16 August 2017ReactomeTeamreactome version 61
93681view11:30, 9 August 2017ReactomeTeamreactome version 61
89466view13:21, 15 September 2016Mkutmonfix ontology tag annotation
87448view13:50, 22 July 2016MkutmonOntology Term : 'PW:0000234' added !
86805view09:26, 11 July 2016ReactomeTeamreactome version 56
83122view10:02, 18 November 2015ReactomeTeamVersion54
81461view12:59, 21 August 2015ReactomeTeamVersion53
76936view08:20, 17 July 2014ReactomeTeamFixed remaining interactions
76641view12:01, 16 July 2014ReactomeTeamFixed remaining interactions
75971view10:02, 11 June 2014ReactomeTeamRe-fixing comment source
75674view10:59, 10 June 2014ReactomeTeamReactome 48 Update
75029view13:54, 8 May 2014AnweshaFixing comment source for displaying WikiPathways description
74673view08:44, 30 April 2014ReactomeTeamNew pathway

External references

DataNodes

View all...
NameTypeDatabase referenceComment
2-LysophosphatidylcholineMetaboliteCHEBI:17504 (ChEBI)
ABI1 ProteinQ8IZP0 (Uniprot-TrEMBL)
ABI2 ProteinQ9NYB9 (Uniprot-TrEMBL)
ABL1ProteinP00519 (Uniprot-TrEMBL)
ACTB(1-375) ProteinP60709 (Uniprot-TrEMBL)
ACTG1 ProteinP63261 (Uniprot-TrEMBL)
ACTR2 ProteinP61160 (Uniprot-TrEMBL)
ACTR3 ProteinP61158 (Uniprot-TrEMBL)
ADP MetaboliteCHEBI:16761 (ChEBI)
ADPMetaboliteCHEBI:16761 (ChEBI)
AHCYL1 ProteinO43865 (Uniprot-TrEMBL)
AHCYL1:NAD+:ITPR1:I(1,4,5)P3 tetramerComplexR-HSA-5226920 (Reactome)
ARAMetaboliteCHEBI:15843 (ChEBI)
ARP2/3 complex (ATP bound)ComplexR-HSA-1861670 (Reactome)
ARPC1A ProteinQ92747 (Uniprot-TrEMBL)
ARPC1B ProteinO15143 (Uniprot-TrEMBL)
ARPC2 ProteinO15144 (Uniprot-TrEMBL)
ARPC3 ProteinO15145 (Uniprot-TrEMBL)
ARPC4 ProteinP59998 (Uniprot-TrEMBL)
ARPC5 ProteinO15511 (Uniprot-TrEMBL)
ATP MetaboliteCHEBI:15422 (ChEBI)
ATPMetaboliteCHEBI:15422 (ChEBI)
Actin filament bound Myosin-XComplexR-HSA-1861625 (Reactome)
Activated WAVE2 and

WASP/N-WASP:ARP2/3

complex:G-actin		ComplexR-HSA-442565 (Reactome)
Activated WAVE2 and WASP/N-WASPComplexR-HSA-2197675 (Reactome)
Active LIMK1ComplexR-HSA-419630 (Reactome)
Antigen R-ALL-173548 (Reactome)
Antigen:IgGComplexR-HSA-173552 (Reactome)
BAIAP2 ProteinQ9UQB8 (Uniprot-TrEMBL)
BAIAP2ProteinQ9UQB8 (Uniprot-TrEMBL)
BRK1 ProteinQ8WUW1 (Uniprot-TrEMBL)
BTK ProteinQ06187 (Uniprot-TrEMBL)
CD247-1 ProteinP20963-1 (Uniprot-TrEMBL)
CD3G ProteinP09693 (Uniprot-TrEMBL)
CDC42 ProteinP60953 (Uniprot-TrEMBL)
CDC42:GDPComplexR-HSA-418830 (Reactome)
CDC42:GTP, RAC1:GTPComplexR-HSA-389778 (Reactome)
CDC42:GTP:WASP/N-WASP:WIP:SH3 proteinsComplexR-HSA-2197683 (Reactome)
CDC42:GTP:WASP/N-WASPComplexR-HSA-442584 (Reactome)
CDC42:GTP:p-Y-WASP/p-Y-WASL:WIP:SH3 proteinsComplexR-HSA-2197680 (Reactome)
CDC42:GTPComplexR-HSA-182921 (Reactome)
CFL1ProteinP23528 (Uniprot-TrEMBL)
CRK ProteinP46108 (Uniprot-TrEMBL)
CRK:DOCK180:ELMO1,ELMO2ComplexR-HSA-2029141 (Reactome)
CRKII:DOCK180:ELMO

complex recruited

to phagocytic cup		ComplexR-HSA-2029130 (Reactome)
CYFIP1 ProteinQ7L576 (Uniprot-TrEMBL)
CYFIP2 ProteinQ96F07 (Uniprot-TrEMBL)
Ca2+MetaboliteCHEBI:29108 (ChEBI)
ChoMetaboliteCHEBI:15354 (ChEBI)
DAGsMetaboliteCHEBI:18035 (ChEBI)
DOCK1 ProteinQ14185 (Uniprot-TrEMBL)
ELMO1 ProteinQ92556 (Uniprot-TrEMBL)
ELMO2 ProteinQ96JJ3 (Uniprot-TrEMBL)
F-actin R-HSA-201877 (Reactome)
F-actinR-HSA-201877 (Reactome)
FCGR1A ProteinP12314 (Uniprot-TrEMBL)
FCGR2A ProteinP12318 (Uniprot-TrEMBL)
FCGR2AProteinP12318 (Uniprot-TrEMBL)
FCGR3A ProteinP08637 (Uniprot-TrEMBL)
FCGRIA:CD3G homodimerComplexR-HSA-2029093 (Reactome)
FCGRIIIA:CD3G/CD3Z dimersComplexR-HSA-2029097 (Reactome)
FGR ProteinP09769 (Uniprot-TrEMBL)
FYN ProteinP06241 (Uniprot-TrEMBL)
G-actinComplexR-HSA-201857 (Reactome)
GDP MetaboliteCHEBI:17552 (ChEBI)
GDPMetaboliteCHEBI:17552 (ChEBI)
GRB2-1 ProteinP62993-1 (Uniprot-TrEMBL)
GTP MetaboliteCHEBI:15996 (ChEBI)
GTPMetaboliteCHEBI:15996 (ChEBI)
H2OMetaboliteCHEBI:15377 (ChEBI)
HCK ProteinP08631 (Uniprot-TrEMBL)
HSP90AA1 ProteinP07900 (Uniprot-TrEMBL)
HSP90AA1,HSP90AB1ComplexR-HSA-419619 (Reactome)
HSP90AB1 ProteinP08238 (Uniprot-TrEMBL)
I(1,4,5)P3 MetaboliteCHEBI:16595 (ChEBI)
I(1,4,5)P3MetaboliteCHEBI:16595 (ChEBI)
IGHG1 ProteinP01857 (Uniprot-TrEMBL)
IGHG2 ProteinP01859 (Uniprot-TrEMBL)
IGHG3 ProteinP01860 (Uniprot-TrEMBL)
IGHG4 ProteinP01861 (Uniprot-TrEMBL)
IGHV(1-?) ProteinA2KUC3 (Uniprot-TrEMBL)
IGHV1-2 ProteinP23083 (Uniprot-TrEMBL)
IGHV7-81(1-?) ProteinQ6PIL0 (Uniprot-TrEMBL)
IGKC ProteinP01834 (Uniprot-TrEMBL)
IGKV1-12 ProteinA0A0C4DH73 (Uniprot-TrEMBL)
IGKV1-5(23-?) ProteinP01602 (Uniprot-TrEMBL)
IGKV2-28 ProteinA0A075B6P5 (Uniprot-TrEMBL)
IGKV2D-30 ProteinA0A075B6S6 (Uniprot-TrEMBL)
IGKV3D-20 ProteinA0A0C4DH25 (Uniprot-TrEMBL)
IGKV4-1(21-?) ProteinP06312 (Uniprot-TrEMBL)
IGKVA18(21-?) ProteinA2NJV5 (Uniprot-TrEMBL)
IGLC1 ProteinP0CG04 (Uniprot-TrEMBL)
IGLC2 ProteinP0CG05 (Uniprot-TrEMBL)
IGLC3 ProteinP0CG06 (Uniprot-TrEMBL)
IGLC6 ProteinP0CF74 (Uniprot-TrEMBL)
IGLC7 ProteinA0M8Q6 (Uniprot-TrEMBL)
IGLV(23-?) ProteinA2NXD2 (Uniprot-TrEMBL)
IGLV1-36(1-?) ProteinQ5NV67 (Uniprot-TrEMBL)
IGLV1-40(1-?) ProteinQ5NV69 (Uniprot-TrEMBL)
IGLV1-44(1-?) ProteinQ5NV81 (Uniprot-TrEMBL)
IGLV10-54(1-?) ProteinQ5NV86 (Uniprot-TrEMBL)
IGLV11-55(1-?) ProteinQ5NV87 (Uniprot-TrEMBL)
IGLV2-11(1-?) ProteinQ5NV84 (Uniprot-TrEMBL)
IGLV2-18(1-?) ProteinQ5NV65 (Uniprot-TrEMBL)
IGLV2-23(1-?) ProteinQ5NV89 (Uniprot-TrEMBL)
IGLV2-33(1-?) ProteinQ5NV66 (Uniprot-TrEMBL)
IGLV3-12(1-?) ProteinQ5NV85 (Uniprot-TrEMBL)
IGLV3-16(1-?) ProteinQ5NV64 (Uniprot-TrEMBL)
IGLV3-22(1-?) ProteinQ5NV75 (Uniprot-TrEMBL)
IGLV3-25(1-?) ProteinQ5NV90 (Uniprot-TrEMBL)
IGLV3-27(1-?) ProteinQ5NV91 (Uniprot-TrEMBL)
IGLV4-3(1-?) ProteinQ5NV61 (Uniprot-TrEMBL)
IGLV4-60(1-?) ProteinQ5NV79 (Uniprot-TrEMBL)
IGLV4-69(1-?) ProteinQ5NV92 (Uniprot-TrEMBL)
IGLV5-37(1-?) ProteinQ5NV68 (Uniprot-TrEMBL)
IGLV5-45(1-?) ProteinQ5NV82 (Uniprot-TrEMBL)
IGLV7-43(1-?) ProteinQ5NV80 (Uniprot-TrEMBL)
IGLV7-46(1-?) ProteinQ5NV83 (Uniprot-TrEMBL)
IGLV8-61(1-?) ProteinQ5NV62 (Uniprot-TrEMBL)
IP3 receptor homotetramerComplexR-HSA-169686 (Reactome)
ITPR1 ProteinQ14643 (Uniprot-TrEMBL)
ITPR2 ProteinQ14571 (Uniprot-TrEMBL)
ITPR3 ProteinQ14573 (Uniprot-TrEMBL)
ITPR:I(1,4,5)P3 tetramerComplexR-HSA-169696 (Reactome)
Ig heavy chain V-I region EU ProteinP01742 (Uniprot-TrEMBL)
Ig heavy chain V-I region HG3 ProteinP01743 (Uniprot-TrEMBL)
Ig heavy chain V-II region ARH-77 ProteinP06331 (Uniprot-TrEMBL)
Ig heavy chain V-II region MCE ProteinP01817 (Uniprot-TrEMBL)
Ig heavy chain V-II region NEWM ProteinP01825 (Uniprot-TrEMBL)
Ig heavy chain V-II region OU ProteinP01814 (Uniprot-TrEMBL)
Ig heavy chain V-II region WAH ProteinP01824 (Uniprot-TrEMBL)
Ig heavy chain V-III region BRO ProteinP01766 (Uniprot-TrEMBL)
Ig heavy chain V-III region BUT ProteinP01767 (Uniprot-TrEMBL)
Ig heavy chain V-III region CAM ProteinP01768 (Uniprot-TrEMBL)
Ig heavy chain V-III region DOB ProteinP01782 (Uniprot-TrEMBL)
Ig heavy chain V-III region JON ProteinP01780 (Uniprot-TrEMBL)
Ig heavy chain V-III region KOL ProteinP01772 (Uniprot-TrEMBL)
Ig heavy chain V-III region TRO ProteinP01762 (Uniprot-TrEMBL)
Ig heavy chain V-III region WEA ProteinP01763 (Uniprot-TrEMBL)
Ig kappa chain V region EV15 ProteinP06315 (Uniprot-TrEMBL)
Ig kappa chain V-I region AG ProteinP01593 (Uniprot-TrEMBL)
Ig kappa chain V-I region AU ProteinP01594 (Uniprot-TrEMBL)
Ig kappa chain V-I region BAN ProteinP04430 (Uniprot-TrEMBL)
Ig kappa chain V-I region DEE ProteinP01597 (Uniprot-TrEMBL)
Ig kappa chain V-I region Daudi ProteinP04432 (Uniprot-TrEMBL)
Ig kappa chain V-I region Gal ProteinP01599 (Uniprot-TrEMBL)
Ig kappa chain V-I region HK101 ProteinP01601 (Uniprot-TrEMBL)
Ig kappa chain V-I region Wes ProteinP01611 (Uniprot-TrEMBL)
Ig kappa chain V-II region Cum ProteinP01614 (Uniprot-TrEMBL)
Ig kappa chain V-II region FR ProteinP01615 (Uniprot-TrEMBL)
Ig kappa chain V-II region RPMI 6410 ProteinP06310 (Uniprot-TrEMBL)
Ig kappa chain V-III region B6 ProteinP01619 (Uniprot-TrEMBL)
Ig kappa chain V-III region POM ProteinP01624 (Uniprot-TrEMBL)
Ig kappa chain V-III region VG ProteinP04433 (Uniprot-TrEMBL)
Ig lambda chain V region 4A ProteinP04211 (Uniprot-TrEMBL)
Ig lambda chain V-I region HA ProteinP01700 (Uniprot-TrEMBL)
Ig lambda chain V-I region NEW ProteinP01701 (Uniprot-TrEMBL)
Ig lambda chain V-I region NEWM ProteinP01703 (Uniprot-TrEMBL)
Ig lambda chain V-I region VOR ProteinP01699 (Uniprot-TrEMBL)
Ig lambda chain V-II region BOH ProteinP01706 (Uniprot-TrEMBL)
Ig lambda chain V-II region MGC ProteinP01709 (Uniprot-TrEMBL)
Ig lambda chain V-II region NEI ProteinP01705 (Uniprot-TrEMBL)
Ig lambda chain V-II region TOG ProteinP01704 (Uniprot-TrEMBL)
Ig lambda chain V-III region LOI ProteinP80748 (Uniprot-TrEMBL)
Ig lambda chain V-III region SH ProteinP01714 (Uniprot-TrEMBL)
Ig lambda chain V-IV region Bau ProteinP01715 (Uniprot-TrEMBL)
Ig lambda chain V-IV region Hil ProteinP01717 (Uniprot-TrEMBL)
Ig lambda chain V-IV region Kern ProteinP01718 (Uniprot-TrEMBL)
Ig lambda chain V-VI region AR ProteinP01721 (Uniprot-TrEMBL)
IgG-Ag:FCGRIA:CD3G homodimerComplexR-HSA-2029132 (Reactome)
IgG-Ag:FCGRIIAComplexR-HSA-1861689 (Reactome)
IgG-Ag:FCGRIIIA:CD3G/CD3Z dimersComplexR-HSA-2029163 (Reactome)
IgH heavy chain V-III region VH26 precursor ProteinP01764 (Uniprot-TrEMBL)
LIMK1ProteinP53667 (Uniprot-TrEMBL)
LYN ProteinP07948 (Uniprot-TrEMBL)
MYH2 ProteinQ9UKX2 (Uniprot-TrEMBL)
MYH9 ProteinP35579 (Uniprot-TrEMBL)
MYO10 ProteinQ9HD67 (Uniprot-TrEMBL)
MYO1C ProteinO00159 (Uniprot-TrEMBL)
MYO5A ProteinQ9Y4I1 (Uniprot-TrEMBL)
MYO9B ProteinQ13459 (Uniprot-TrEMBL)
Mother filament:ARP2/3:actin:ADPComplexR-HSA-2197686 (Reactome)
Mother

filament:branching complex:daughter

filament		ComplexR-HSA-1861699 (Reactome)
Mother

filament:branching

complex		ComplexR-HSA-2029140 (Reactome)
Myosin-Actin filamentsComplexR-HSA-2029139 (Reactome)
Myosin-X dimerComplexR-HSA-1861665 (Reactome)
MyosinComplexR-HSA-2029109 (Reactome)
N-WASP ProteinO00401 (Uniprot-TrEMBL)
NAD+ MetaboliteCHEBI:15846 (ChEBI)
NCK1 ProteinP16333 (Uniprot-TrEMBL)
NCKAP1 ProteinQ9Y2A7 (Uniprot-TrEMBL)
NCKAP1L ProteinP55160 (Uniprot-TrEMBL)
NCKIPSD ProteinQ9NZQ3 (Uniprot-TrEMBL)
NF2ProteinP35240 (Uniprot-TrEMBL)
PAMetaboliteCHEBI:16337 (ChEBI)
PAK1 ProteinQ13153 (Uniprot-TrEMBL)
PAK1 dimerComplexR-HSA-445002 (Reactome)
PAK1ProteinQ13153 (Uniprot-TrEMBL)
PCMetaboliteCHEBI:16110 (ChEBI)
PI(3,4)P2 MetaboliteCHEBI:16152 (ChEBI)
PI(3,4)P2MetaboliteCHEBI:16152 (ChEBI)
PI(3,4,5)P3 MetaboliteCHEBI:16618 (ChEBI)
PI(3,4,5)P3MetaboliteCHEBI:16618 (ChEBI)
PI(4,5)P2 MetaboliteCHEBI:18348 (ChEBI)
PI(4,5)P2MetaboliteCHEBI:18348 (ChEBI)
PI3K:p-6Y-SYKComplexR-HSA-2029149 (Reactome)
PI3KComplexR-HSA-74693 (Reactome)
PIK3CA ProteinP42336 (Uniprot-TrEMBL)
PIK3CB ProteinP42338 (Uniprot-TrEMBL)
PIK3R1 ProteinP27986 (Uniprot-TrEMBL)
PIK3R2 ProteinO00459 (Uniprot-TrEMBL)
PKC-delta/epsilonComplexR-HSA-198276 (Reactome)
PLA2G6ProteinO60733 (Uniprot-TrEMBL)
PLC gamma1,2ComplexR-HSA-1169089 (Reactome)
PLCG1 ProteinP19174 (Uniprot-TrEMBL)
PLCG2 ProteinP16885 (Uniprot-TrEMBL)
PLD1 ProteinQ13393 (Uniprot-TrEMBL)
PLD2 ProteinO14939 (Uniprot-TrEMBL)
PLD3 ProteinQ8IV08 (Uniprot-TrEMBL)
PLD4 ProteinQ96BZ4 (Uniprot-TrEMBL)
PLDComplexR-HSA-2029102 (Reactome)
PPAPDC1A ProteinQ5VZY2 (Uniprot-TrEMBL)
PPAPDC1B ProteinQ8NEB5 (Uniprot-TrEMBL)
PRKCD ProteinQ05655 (Uniprot-TrEMBL)
PRKCE ProteinQ02156 (Uniprot-TrEMBL)
PTK2 ProteinQ05397 (Uniprot-TrEMBL)
Phosphatidate phosphataseComplexR-HSA-2029101 (Reactome)
Phospho-PKC-delta/epsilonComplexR-HSA-198265 (Reactome)
PiMetaboliteCHEBI:18367 (ChEBI)
RAC1 ProteinP63000 (Uniprot-TrEMBL)
RAC1:GDPComplexR-HSA-5674631 (Reactome)
RAC1:GTP,CDC42:GTP:PAK1ComplexR-HSA-2029159 (Reactome)
RAC1:GTPComplexR-HSA-442641 (Reactome)
SH3 domain proteinsComplexR-HSA-2197679 (Reactome)
SRC-1 ProteinP12931-1 (Uniprot-TrEMBL)
SYK ProteinP43405 (Uniprot-TrEMBL)
SYKProteinP43405 (Uniprot-TrEMBL)
Src family kinases (SFKs)ComplexR-HSA-1861597 (Reactome)
Src-kinasesComplexR-HSA-2197681 (Reactome)
Unknown GEFR-HSA-8939797 (Reactome)
VAV1 ProteinP15498 (Uniprot-TrEMBL)
VAV1,2,3ComplexR-HSA-430172 (Reactome)
VAV2 ProteinP52735 (Uniprot-TrEMBL)
VAV3 ProteinQ9UKW4 (Uniprot-TrEMBL)
WAS ProteinP42768 (Uniprot-TrEMBL)
WASF1 ProteinQ92558 (Uniprot-TrEMBL)
WASF2 ProteinQ9Y6W5 (Uniprot-TrEMBL)
WASF3 ProteinQ9UPY6 (Uniprot-TrEMBL)
WASP/N-WASPComplexR-HSA-201892 (Reactome)
WAVE Regulatory ComplexComplexR-HSA-2029154 (Reactome)
WIP family proteinsComplexR-HSA-2197678 (Reactome)
WIPF1 ProteinO43516 (Uniprot-TrEMBL)
WIPF2 ProteinQ8TF74 (Uniprot-TrEMBL)
WIPF3 ProteinA6NGB9 (Uniprot-TrEMBL)
WRC:IRSp53/58:RAC1:GTP:PIP3ComplexR-HSA-2029147 (Reactome)
YES1 ProteinP07947 (Uniprot-TrEMBL)
clustered IgG-Ag:FCGRsComplexR-HSA-2029146 (Reactome)
clustered IgG-Ag:p-FCGRs:SYKComplexR-HSA-2029129 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:PLCGComplexR-HSA-2029137 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:VAVComplexR-HSA-2029133 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:p-3Y-PLCGComplexR-HSA-2029156 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:p-VAVComplexR-HSA-2029131 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKComplexR-HSA-2029158 (Reactome)
clustered IgG-Ag:p-FCGRsComplexR-HSA-2029128 (Reactome)
clustered IgG-Ag:p-FCGRsComplexR-HSA-2029151 (Reactome)
p-4S-ABI2 ProteinQ9NYB9 (Uniprot-TrEMBL)
p-4Y-PLCG1 ProteinP19174 (Uniprot-TrEMBL)
p-4Y-PLCG1ProteinP19174 (Uniprot-TrEMBL)
p-5S-ABI1 ProteinQ8IZP0 (Uniprot-TrEMBL)
p-6Y-CD247-1 ProteinP20963-1 (Uniprot-TrEMBL)
p-6Y-SYK ProteinP43405 (Uniprot-TrEMBL)
p-PLCGComplexR-HSA-2029095 (Reactome)
p-S,T508-LIMK1 ProteinP53667 (Uniprot-TrEMBL)
p-S144,T423-PAK1ProteinQ13153 (Uniprot-TrEMBL)
p-S3-CFL1 ProteinP23528 (Uniprot-TrEMBL)
p-T,Y MAPK dimersComplexR-HSA-1268261 (Reactome)
p-T185,Y187-MAPK1 ProteinP28482 (Uniprot-TrEMBL)
p-T202,Y204-MAPK3 ProteinP27361 (Uniprot-TrEMBL)
p-T507,S645,S664-PRKCD(1-676) ProteinQ05655 (Uniprot-TrEMBL)
p-T508-LIMK1 ProteinP53667 (Uniprot-TrEMBL)
p-T508-LIMK1ProteinP53667 (Uniprot-TrEMBL)
p-T566,T710,S729-PRKCE ProteinQ02156 (Uniprot-TrEMBL)
p-Y,S,T-WRC:IRSp53/58:RAC1:GTP:PIP3ComplexR-HSA-2029148 (Reactome)
p-Y-WRC:IRSp53/58:RAC1:GTP:PIP3ComplexR-HSA-2130182 (Reactome)
p-Y150,S343,T346-WASF2 ProteinQ9Y6W5 (Uniprot-TrEMBL)
p-Y150-WASF2 ProteinQ9Y6W5 (Uniprot-TrEMBL)
p-Y151,S,T-WASF1 ProteinQ92558 (Uniprot-TrEMBL)
p-Y151,S,T-WASF3 ProteinQ9UPY6 (Uniprot-TrEMBL)
p-Y151-WASF1 ProteinQ92558 (Uniprot-TrEMBL)
p-Y151-WASF3 ProteinQ9UPY6 (Uniprot-TrEMBL)
p-Y160,Y171-CD3G ProteinP09693 (Uniprot-TrEMBL)
p-Y172-VAV2 ProteinP52735 (Uniprot-TrEMBL)
p-Y173-VAV3 ProteinQ9UKW4 (Uniprot-TrEMBL)
p-Y174-VAV1 ProteinP15498 (Uniprot-TrEMBL)
p-Y256-WASL ProteinO00401 (Uniprot-TrEMBL)
p-Y288,Y304-FCGR2A ProteinP12318 (Uniprot-TrEMBL)
p-Y291-WAS ProteinP42768 (Uniprot-TrEMBL)
p-Y753,Y759,Y1217-PLCG2 ProteinP16885 (Uniprot-TrEMBL)
pCofilin: Active LIMK-1ComplexR-HSA-399878 (Reactome)
pLIMK dimer:HSP-90ComplexR-HSA-419632 (Reactome)

Annotated Interactions

View all...
SourceTargetTypeDatabase referenceComment
2-LysophosphatidylcholineArrowR-HSA-2029475 (Reactome)
ABL1mim-catalysisR-HSA-2130194 (Reactome)
ADPArrowR-HSA-198314 (Reactome)
ADPArrowR-HSA-2029268 (Reactome)
ADPArrowR-HSA-2029271 (Reactome)
ADPArrowR-HSA-2029449 (Reactome)
ADPArrowR-HSA-2029453 (Reactome)
ADPArrowR-HSA-2029454 (Reactome)
ADPArrowR-HSA-2029459 (Reactome)
ADPArrowR-HSA-2029460 (Reactome)
ADPArrowR-HSA-2029469 (Reactome)
ADPArrowR-HSA-2130194 (Reactome)
ADPArrowR-HSA-2197698 (Reactome)
ADPArrowR-HSA-399950 (Reactome)
ADPArrowR-HSA-419644 (Reactome)
AHCYL1:NAD+:ITPR1:I(1,4,5)P3 tetramerTBarR-HSA-169683 (Reactome)
ARAArrowR-HSA-2029475 (Reactome)
ARP2/3 complex (ATP bound)R-HSA-442592 (Reactome)
ATPR-HSA-1861595 (Reactome)
ATPR-HSA-198314 (Reactome)
ATPR-HSA-2029268 (Reactome)
ATPR-HSA-2029271 (Reactome)
ATPR-HSA-2029449 (Reactome)
ATPR-HSA-2029453 (Reactome)
ATPR-HSA-2029454 (Reactome)
ATPR-HSA-2029459 (Reactome)
ATPR-HSA-2029460 (Reactome)
ATPR-HSA-2029469 (Reactome)
ATPR-HSA-2029476 (Reactome)
ATPR-HSA-2130194 (Reactome)
ATPR-HSA-2197698 (Reactome)
ATPR-HSA-399950 (Reactome)
ATPR-HSA-419644 (Reactome)
Actin filament bound Myosin-XArrowR-HSA-1861595 (Reactome)
Activated WAVE2 and

WASP/N-WASP:ARP2/3

complex:G-actin		ArrowR-HSA-442592 (Reactome)
Activated WAVE2 and

WASP/N-WASP:ARP2/3

complex:G-actin		R-HSA-2029466 (Reactome)
Activated WAVE2 and WASP/N-WASPArrowR-HSA-2197690 (Reactome)
Activated WAVE2 and WASP/N-WASPR-HSA-442592 (Reactome)
Active LIMK1ArrowR-HSA-419644 (Reactome)
Active LIMK1R-HSA-399950 (Reactome)
Active LIMK1mim-catalysisR-HSA-399950 (Reactome)
Antigen:IgGR-HSA-1861621 (Reactome)
Antigen:IgGR-HSA-2029455 (Reactome)
Antigen:IgGR-HSA-2029457 (Reactome)
BAIAP2R-HSA-2029465 (Reactome)
CDC42:GDPR-HSA-2029445 (Reactome)
CDC42:GTP, RAC1:GTPArrowR-HSA-2029454 (Reactome)
CDC42:GTP, RAC1:GTPR-HSA-2029456 (Reactome)
CDC42:GTP:WASP/N-WASP:WIP:SH3 proteinsArrowR-HSA-2197691 (Reactome)
CDC42:GTP:WASP/N-WASP:WIP:SH3 proteinsR-HSA-2197698 (Reactome)
CDC42:GTP:WASP/N-WASPArrowR-HSA-442586 (Reactome)
CDC42:GTP:WASP/N-WASPR-HSA-2197691 (Reactome)
CDC42:GTP:p-Y-WASP/p-Y-WASL:WIP:SH3 proteinsArrowR-HSA-2197698 (Reactome)
CDC42:GTPArrowR-HSA-2029445 (Reactome)
CDC42:GTPR-HSA-442586 (Reactome)
CFL1R-HSA-399950 (Reactome)
CRK:DOCK180:ELMO1,ELMO2R-HSA-2197697 (Reactome)
CRKII:DOCK180:ELMO

complex recruited

to phagocytic cup		ArrowR-HSA-2197697 (Reactome)
CRKII:DOCK180:ELMO

complex recruited

to phagocytic cup		mim-catalysisR-HSA-2029467 (Reactome)
Ca2+ArrowR-HSA-169683 (Reactome)
Ca2+R-HSA-169683 (Reactome)
ChoArrowR-HSA-2029471 (Reactome)
DAGsArrowR-HSA-167686 (Reactome)
DAGsArrowR-HSA-198314 (Reactome)
DAGsArrowR-HSA-2029468 (Reactome)
F-actinR-HSA-2029466 (Reactome)
FCGR2AR-HSA-1861621 (Reactome)
FCGRIA:CD3G homodimerR-HSA-2029455 (Reactome)
FCGRIIIA:CD3G/CD3Z dimersR-HSA-2029457 (Reactome)
G-actinR-HSA-2029473 (Reactome)
G-actinR-HSA-442592 (Reactome)
GDPArrowR-HSA-2029445 (Reactome)
GDPArrowR-HSA-2029451 (Reactome)
GDPArrowR-HSA-2029467 (Reactome)
GTPR-HSA-2029445 (Reactome)
GTPR-HSA-2029451 (Reactome)
GTPR-HSA-2029467 (Reactome)
H2OR-HSA-167686 (Reactome)
H2OR-HSA-2029468 (Reactome)
H2OR-HSA-2029471 (Reactome)
H2OR-HSA-2029475 (Reactome)
HSP90AA1,HSP90AB1ArrowR-HSA-419644 (Reactome)
HSP90AA1,HSP90AB1R-HSA-419645 (Reactome)
I(1,4,5)P3ArrowR-HSA-167686 (Reactome)
I(1,4,5)P3ArrowR-HSA-169683 (Reactome)
I(1,4,5)P3R-HSA-169680 (Reactome)
IP3 receptor homotetramerR-HSA-169680 (Reactome)
ITPR:I(1,4,5)P3 tetramerArrowR-HSA-169680 (Reactome)
ITPR:I(1,4,5)P3 tetramermim-catalysisR-HSA-169683 (Reactome)
IgG-Ag:FCGRIA:CD3G homodimerArrowR-HSA-2029455 (Reactome)
IgG-Ag:FCGRIIAArrowR-HSA-1861621 (Reactome)
IgG-Ag:FCGRIIIA:CD3G/CD3Z dimersArrowR-HSA-2029457 (Reactome)
LIMK1R-HSA-2029460 (Reactome)
Mother filament:ARP2/3:actin:ADPArrowR-HSA-2197690 (Reactome)
Mother filament:ARP2/3:actin:ADPR-HSA-2029473 (Reactome)
Mother

filament:branching complex:daughter

filament		ArrowR-HSA-2029473 (Reactome)
Mother

filament:branching complex:daughter

filament		R-HSA-1861595 (Reactome)
Mother

filament:branching complex:daughter

filament		R-HSA-2029476 (Reactome)
Mother

filament:branching

complex		ArrowR-HSA-2029466 (Reactome)
Mother

filament:branching

complex		R-HSA-2197690 (Reactome)
Myosin-Actin filamentsArrowR-HSA-2029476 (Reactome)
Myosin-X dimerR-HSA-1861595 (Reactome)
Myosin-X dimermim-catalysisR-HSA-1861595 (Reactome)
MyosinR-HSA-2029476 (Reactome)
NF2TBarR-HSA-2029456 (Reactome)
PAArrowR-HSA-2029471 (Reactome)
PAK1 dimerR-HSA-2029456 (Reactome)
PAK1ArrowR-HSA-2029456 (Reactome)
PAK1mim-catalysisR-HSA-2029454 (Reactome)
PAR-HSA-2029468 (Reactome)
PCR-HSA-2029471 (Reactome)
PCR-HSA-2029475 (Reactome)
PI(3,4)P2R-HSA-1861595 (Reactome)
PI(3,4,5)P3ArrowR-HSA-2029271 (Reactome)
PI(3,4,5)P3ArrowR-HSA-2029272 (Reactome)
PI(3,4,5)P3R-HSA-2029268 (Reactome)
PI(3,4,5)P3R-HSA-2029458 (Reactome)
PI(3,4,5)P3R-HSA-2029465 (Reactome)
PI(4,5)P2R-HSA-167686 (Reactome)
PI(4,5)P2R-HSA-2029271 (Reactome)
PI(4,5)P2R-HSA-442586 (Reactome)
PI3K:p-6Y-SYKArrowR-HSA-2029273 (Reactome)
PI3K:p-6Y-SYKmim-catalysisR-HSA-2029271 (Reactome)
PI3KR-HSA-2029273 (Reactome)
PKC-delta/epsilonR-HSA-198314 (Reactome)
PKC-delta/epsilonmim-catalysisR-HSA-198314 (Reactome)
PLA2G6mim-catalysisR-HSA-2029475 (Reactome)
PLC gamma1,2R-HSA-2029270 (Reactome)
PLDmim-catalysisR-HSA-2029471 (Reactome)
Phosphatidate phosphatasemim-catalysisR-HSA-2029468 (Reactome)
Phospho-PKC-delta/epsilonArrowR-HSA-198314 (Reactome)
PiArrowR-HSA-1861595 (Reactome)
PiArrowR-HSA-2029468 (Reactome)
PiArrowR-HSA-2029476 (Reactome)
R-HSA-167686 (Reactome) Inositol 1,4,5-triphosphate (IP3) is a second messenger produced by phospholipase C (PLC) metabolism of phosphoinositol 4,5-bisphosphate (PIP2) (Canossa et al. 2001).
R-HSA-169680 (Reactome) The IP3 receptor (IP3R) is an IP3-gated calcium channel. It is a large, homotetrameric protein, similar to other calcium channel proteins such as ryanodine. The four subunits form a 'four-leafed clover' structure arranged around the central calcium channel. Binding of ligands such as IP3 results in conformational changes in the receptor's structure that leads to channel opening.
R-HSA-169683 (Reactome) IP3 promotes the release of intracellular calcium.
R-HSA-1861595 (Reactome) Myosin-X (Myosin 10) is one of the downstream effectors of PI3K in FCGR-phagocytosis and is involved in pseudopod extension and closure of phagocytic cups. It is recruited to the forming phagosome by binding, through its second PH domain to membrane PIP3, a major product of PI3-kinase (Cox et al. 2002). Myosin-X may act as a motor to transport membrane cargo molecules to the forming pseudopods, influencing actin dynamics. It is not understood with certainty how myosin X contributes to the mechanism of pseudopod extension. It selectively binds to actin bundle such that each head may bind, in an ATP-sensitive manner, to two adjacent actin filaments within the actin bundle. Myosin X hydrolyze ATP and converts this chemical energy to mechanical energy moving toward the plus end/barbed end of the actin filament facing towards the tip of the growing pseudopods (Araki 2006, Chavrier 2003, Watanabe et al 2010).
R-HSA-1861621 (Reactome) FCGRII (CD32) is a low-affinity receptor encoded by three different genes (A, B and C) (Brooks et al. 1989). FCGRIIA functions as a single-chain transmembrane receptor containing both the ligand-binding extracellular domain and a signal transducing cytoplasmic domain that contains distinct immunoreceptor tyrosine-based activation motif (ITAM). This ITAM-like domain in FCGRIIA contains two YXXL motifs with a spacer sequence of 12 amino acids instead of the usual 7. Isoform FCGRIIB is expressed in various leukocytes, including human monocytes and, as opposed to the activating Fc receptors it has an immunoreceptor tyrosine-based inhibitory motif (ITIM) and negatively regulates phagocytosis (Van den Herik-Oudijk IE et al. 1995, Mitchell et al. 1994, Tridandapani et al. 2002).
The first step in Fc-gamma receptor (FCGR) phagocytosis is binding and clustering of FCGRs by IgG-coated foreign particles. FCGR are clustered at the cell surface by multivalent antigen-antibody complexes and recruited to lipid raft micro domains; monovalent ligand binding is insufficient to generate a signal. This cross-linking results in the localization of FCGRs into lipid rafts and this may aid in recruiting and complexing with additional signalling proteins associated with lipid rafts (Bournazos et al. 2009, Kwiatkowska & Sobota 2001, Kono et al. 2002). This is followed by phosphorylation of the tyrosine residues within the ITAM located on the cytoplasmic portion of FCGRIIA by membrane-associated tyrosine kinases of the Src family (Mitchell et al. 1994).
R-HSA-198314 (Reactome) Diacylglycerol (DAG) positively regulates the autophosphorylation of protein kinase C-delta (PKC-delta), which stimulates ERK1/2 and triggers neurite outgrowth. DAG also stimulates the translocation of PKC from the cytosol to the plasma membrane. PKC-delta contributes to growth factor specificity and response to neuronal cells by promoting cell-type-specific differences in growth factor signalling. DAG can also activate PKC-epsilon in the same manner (Newton 2001).
R-HSA-2029268 (Reactome) PLCG is tyrosine phosphorylated by either SYK or Src kinases on three tyrosine residues and this phosphorylation enhances the activity of PLCG. Although maximal activation requires binding of PLCG to PIP3 with its plecstrin homology (PH) domain.
R-HSA-2029270 (Reactome) PLCgamma (PLCG) is recruited to FCGR and the phosphorylated Y342 and Y346 in SYK have been reported to be involved in the interaction of PLCG (Law et al. 1996). PLCG accumulates at the phagocytic cup during FCGR, but the exact role of PLCG in the regulation of phagocytosis is not clear. It may be involved in FCGR signaling by activating PKC through DAG production (Garcia-Garcia & Rosales 2002 )
R-HSA-2029271 (Reactome) Activated PI3K phosphorylates phosphatidylinositol (PI) 4-phosphate and PI 4,5-bisphosphate (PIP2) to generate PI 3,4-bisphosphate and PI 3,4,5-triphosphate (PIP3) and these second messengers recruit other signaling proteins containing plecstrin homology (PH) domain. PIP3 rapidly accumulates at sites of phagocytosis and disappears after the phagosome has been sealed off from the plasma membrane.
R-HSA-2029272 (Reactome) Activated PLCG translocates to the plasmamembrane and interacts with the inositol ring of the membrane bound phosphatidylinositol 4,5-bisphosphate (PIP2) with its PH domain. The active enzyme promotes intracelllular signaling by catalysing the hydrolysis of PIP2 to generate the second messengers IP3 and DAG.
R-HSA-2029273 (Reactome) PI3K is one of the downstream effector of activated SYK. The p85 alpha regulatory subunit of PI3K have been shown to interact with SYK and FCGRs, and transient and restricted accumulation of lipid products of the kinase have been observed at sites of the phagosomal cup (Yanagi et al. 1994, Marshall et al. 2001). Leverrier at al. has demonstrated that p110beta is the major class I catalytic isoform required for FCGR-mediated phagocytosis by primary macrophages (Leverrier at al. 2003). p85 alpha subunit interacts with phosphorylated SYK at tyrosine 317 with its C-terminal SH2 domain, whereas other tyrosine residues like 342 and 346 in the linker region may contribute to the interaction with N-terminal SH2 domain (Moon et al, 2005). The main role of PI3K in phagocytosis appears to be the regulation of pseudopod extension necessary for particle internalization and may also regulate phagocytosis through activation of ERK (Garcia-Garcia & Rosales. 2002).
R-HSA-2029445 (Reactome) FCGR mediated phagocytosis requires CDC42 to stimulate actin polymerization, generating the force for phagocytic cup protrusion or pseudopod extension. CDC42 activation is restricted at the advancing edge of the phagocytic cup, where actin is concentrated, and is deactivated at the base of the phagocytic cup (Beemiller et al 2010). The mechanism behind the recruitment and activation of CDC42 during FCGR phagocytosis is unknown. VAV regulates the activation of RAC1 but not CDC42 and the GEF responsible for CDC42 activation during FCGR-mediated phagocytosis remains unidentified (Adam et al 2004, Patel et al 2002).
R-HSA-2029449 (Reactome) Multiple sites of phosphorylation are known to exist in SYK, which both regulate its activity and also serve as docking sites for other proteins. Some of these sites include Y131 of interdomain A, Y323, Y348, and Y352 of interdomain B, and Y525 and Y526 within the activation loop of the kinase domain and Y630 in the C-terminus (Zhang et al. 2002, Lupher et al. 1998, Furlong et al. 1997). Phosphorylation of these tyrosine residues disrupts autoinhibitory interactions and results in kinase activation even in the absence of phosphorylated ITAM tyrosines (Tsang et al. 2008). SYK is primarily phosphorylated by Src family kinases and this acts as an initiating trigger by generating few molecules of activated SYK which are then involved in major SYK autophosphorylation (Hillal et al. 1997).
R-HSA-2029451 (Reactome) The organized movements of membranes and the actin cytoskeleton are coordinated in phagocytosis by small GTPases of the Rho family. Specifically, RAC1 and CDC42 are known to be stimulated upon engagement of FCGR and are essential for the extension of the pseudopods that surround and engulf the phagocytic particle (Scott et al 2005). RAC1 is known to regulate actin dynamics. It is active throughout the phagocytic cup and activated RAC1 is necessary to assemble F actin. However, closing the phagocytic cup requires RAC1 to be deactivated (Naakaya et al 2007). Deletion of RAC1 prevents FCGR mediated phagocytosis (Hall et al 2006). RAC1 activation involves transition from an inactive GDP bound to an active GTP bound state catalysed by guanine exchanges factors (GEFs). VAV has been implicated in the activation of RAC1 (Patel et al 2002).
R-HSA-2029452 (Reactome) SYK is a tyrosine kinase related to ZAP70 that is expressed in all hematopoietic cells and coimmunoprecipitates with the gamma chain associated with FCGRIIIA in macrophages and with FCERI in mast cells. SYK is very important for FCGR phagocytosis and is recruited to these phosphorylated ITAM residues through its two SRC homology 2 (SH2) domains (Agarwal et al. 1993). When SYK kinase expression is inhibited with antisense oligonucleotides both in vitro and in vivo, phagocytosis and inflammation are abolished (Matsuda et al. 1997). The domain structure of SYK comprises a regulatory region at the N-terminus consisting of a pair of SH2 domains separated by an inter-SH2 linker called interdomain A, an SH2-domain-kinase linker termed interdomain B, and a C-terminal kinase domain (Arias-Palomo et al. 2009). In resting state SYK exists in an auto-inhibited conformation by the interactions between the SH2-SH2 regulatory region and the inter-SH2 linker and the catalytic domain. This interdomain interaction reduces the conformational flexibility required by the kinase domain for catalysis (Arias-Palomo et al. 2007). Changes in the orientation of the SH2 domains could control the disruption of the auto inhibitory interactions and the activation of SYK. These movements could be totally or partially induced by the binding to phosphorylated ITAMs and/or phosphorylation of tyrosine residues in interdomain A or B (Arias-Palomo et al. 2009). Tsang et al. suggested that SYK functions as an OR-gate switch with respect to phosphorylation and ITAM binding, as either one stimulus OR the other is sufficient to cause full activation (Tsang et al. 2008).
R-HSA-2029453 (Reactome) VAV proteins exist in an auto-inhibitory state folded in such a way as to inhibit the GEF activity of its DH domain. This folding is mediated through binding of tyrosines in the acidic domain to the DH domain and through binding of the CH domain to the C1 region. Activation of VAV may involve at least three different events to relieve this auto-inhibition. Phosphorylation of the tyrosines in the acidic domain causes them to be displaced from the DH domain, binding of a ligand to the CH domain may cause it to release the C1 domain and binding of PIP3 to PH domain may alter its conformation. VAV1 is phosphorylated on Y174 in the acidic domain, and this is mediated by Syk and Src-family tyrosine kinases. Once activated, VAV1 is then involved in the activation of RAC and CDC42 downstream of FCGR.
R-HSA-2029454 (Reactome) PAK1 needs autophosphorylation for complete activation. PAK1 is autophosphorylated at several sites, but S144 flanking the kinase inhibitor region and T423 within the catalytic domain are the two conserved sites that regulate the catalytic activity (Chong et al. 2001, Parrini et al. 2001).
R-HSA-2029455 (Reactome) FCGRI is coded by three different genes (A, B, and C) and is expressed on most myeloid cells including monocytes, macrophages and dendritic cells (Allen & Seed 1988). FCGRI is a high affinity IgG receptor capable of binding monomeric IgG. FCGRI exists as a complex containing ligand (IgG) binding extracellular alpha-chain and homodimer of signal transducing FcR gamma (CD3G) chains, or a heterodimer of signal transducing FcR gamma and zeta chains (Ernst et al. 1993, Scholl & Geha 1993, van Vugt et al. 1996). The cytoplasmic domain of FCGRI does not have signaling motifs, however it is suggested that the gamma-subunit might be required for generating the phagocytic signal (Duchemin et al. 1994, Indik et al. 1995).
The first step in Fc-gamma receptor (FCGR) phagocytosis is binding and clustering of FCGRs by IgG-coated foreign particles. FCGR are clustered at the cell surface by multivalent antigen-antibody complexes and recruited to lipid raft micro domains; monovalent ligand binding is insufficient to generate a signal. This cross-linking results in the localization of FCGRs into lipid rafts and this may aid in recruiting and complexing with additional signalling proteins associated with lipid rafts (Bournazos et al. 2009, Kwiatkowska & Sobota 2001, Kono et al. 2002). This is followed by phosphorylation of the tyrosine residues with in the immuno tyrosine activation motif (ITAM) located on the cytoplasmic portion of accessory gamma/zeta chains by membrane-associated tyrosine kinases of the Src family (Duchemin et al. 1994, van Vugt et al. 1996).
R-HSA-2029456 (Reactome) PAK1, a downstream effector of CDC42 and RAC1, is found localized in phagosomes. Upon activation, PAK1 phosphorylates LIMK, which directly phosphorylates and inactivates cofilin, a protein that mediates depolymerization of actin filaments. Thus, RAC and CDC42 coordinate actin dynamics by inducing actin polymerization via ARP2/3 on one hand, and inhibiting actin depolyerization via LIMK and cofilin on the other (Garcia-Garcia & Rosales 2002).
PAK1 exists as homodimer in a trans-inhibited conformation. The kinase inhibitory (KI) domain of one PAK1 molecule binds to the C-terminal catalytic domain of the other and inhibits catalytic activity. GTPases RAC1/CDC42 bind the GBD domain of PAK1 thereby altering the conformation of the KI domain, relieving inhibition of its catalytic domain, and allowing PAK1 autophosphorylation that is required for full kinase activity (Parrini et al. 2002, Zhao & Manser 2005).
R-HSA-2029457 (Reactome) FCGRIII (CD16) is a low affinity Fc gamma receptor and is encoded by two genes (A and B), the transmembrane form FCGRIIIA and the GPI anchored FCGRIIIB (Edberg et al. 1989). Between the two isoforms FCGRIIIA is involved in phagocytosis whereas FCGRIIIB is capable of inducing calcium signalling and actin polymerisation, but its role in phagocytosis is still not clear (Garcia Garcia & Rosales 2002). FCGRIIIA is expressed in macrophages and natural killer cells as a multi chain complex consisting of a single alpha chain containing IgG binding domains and a signal transducing gamma and/or zeta dimer (Wirthmuller et al. 1992, Lanier et al. 1989). Both gamma and zeta chains contain a conserved immunoreceptor tyrosine based activation motif (ITAM), which has 2 copies of the YXXL sequence (Isakov 1997). However, the gamma chain of FCGRIIIA is approximately sixfold more efficient in mediating phagocytosis than the zeta subunit (Park & Schreiber 1995). Phosphorylation of the conserved tyrosine residues of the ITAM in these accessory proteins is required for the phagocytic signal mediated by FCRGIIIA.
The first step in Fc-gamma receptor (FCGR) phagocytosis is binding and clustering of FCGRs by IgG-coated foreign particles. FCGR are clustered at the cell surface by multivalent antigen-antibody complexes and recruited to lipid raft micro domains; monovalent ligand binding is insufficient to generate a signal.
This cross linking results in the localisation of FCGRs into lipid rafts and this may aid in their recruiting and complexing with additional signalling proteins associated with lipid rafts (Kono et al. 2002). This is followed by phosphorylation of the tyrosine residues within the ITAM located on the cytoplasmic portion of accessory gamma/zeta chains by membrane associated tyrosine kinases of the Src family (Park et al. 1993).
R-HSA-2029458 (Reactome) VAV family members are cytoplasmic guanine nucleotide exchange factors (GEFs) for Rho-family GTPases (RAC, RHO and CDC42). VAV1 is found predominantly in hematopoietic cells, whereas VAV2 and VAV3 are more broadly expressed. VAV proteins link the cell surface receptors like FCGR to the intracellular Rho GTPases and the actin cytoskeleton during phagocytosis (Hall et al 2006). Experiments using two-hybrid system suggest that VAV1 with its SH2 domain directly binds to the phosphorylated Y342 of SYK (Deckert et al. 1996). VAV proteins are also recruited to membrane through their PH domain by binding PI(3,4,5)P3 produced by PI3K.
R-HSA-2029459 (Reactome) After cross linking, Fc gamma receptors are sequestered to lipid rafts where they are complexed with some of the tyrosine kinases of Src family and undergo phosphorylation on the tyrosine residues contained in conserved ITAM sequences. At least six out of nine members of the Src family kinases (SRC, FYN, FGR, HCK, YES and LYN ) have been identified in the phagocytic cells and are implicated in the initiation of Fc gamma mediated signaling. (Suzuki et al. 2000, Majeed et al. 2001, Kwiatkowska et al. 2003). Some of these kinases have been found associated with specific receptors. In monocytes HCK and LYN have been found associated with FCGRI (Durden et al. 1995), whereas only HCK with FCGRIIA (Ghazizadeh et al. 1994) while FGR in neutrophils (Hamada et al. 1993) and LCK in NK cells with FCGRIIIA (Pignata et al. 1993)
The implication of Src kinases in phosphorylation was first supported by pharmacological findings that herbimycin A, a tyrosine kinase inhibitor relatively specific for Src-family kinases, potently suppressed Fc receptor mediated functions (Greenberg et al. 1993, Suzuki et al. 2000). However, their particular involvement in phagocytosis remains unclear, as targeted disruption of single or multiple Src family genes did not result in significant alterations in phagocytosis (Hunter et al. 1993, Fitzer Attas et al. 2000, Suzuki et al. 2000). HCK, FGR and LYN triple-deficient (-/-) macrophages have shown significant delays in FCGR mediated phagocytosis, but these deficiencies do not completly disrupt the process (Fitzer Attas et al. 2000).
Tyrosine residues Y288 and Y304 (Y282 and Y298 according to the literature reference, it is 6 residues shorter compared to uniprot entry due to an alternate initiation codon usage), within ITAM sequence in the cytoplasmic domain of FCGRIIA are the key target sites that are phosphorylated by Src family kinases (Mitchell et al, 1994). In case of FCGRIA and FCGRIIIA the specific tyrosine residues within ITAMs of the associated gamma/zeta chains are phosphorylated by activated Src family kinases (SFKs) (Park et al. 1993).
R-HSA-2029460 (Reactome) LIM kinases are serine protein kinases with a unique combination of two N-terminal LIM motifs, a central PDZ domain, and a C-terminal protein kinase domain. LIMK1 is one of the downstream targets of PAK1 and is activated through phosphorylation by PAK1 on T508 within its activation loop (Edwards et al. 1999, Aizawa et al. 2001). LIM-kinase is responsible for the tight regulation of the activity of cofilin (a protein that depolymerizes actin filaments) and thus maintains the balance between actin assembly and disassembly. Phosphorylated cofilin is inactive, resulting in stabilization of the actin cytoskeleton.
R-HSA-2029465 (Reactome) WASP family verprolin-homologous proteins (WAVEs) function downstream of RAC1 and are involved in activation of the ARP2/3 complex. The resulting actin polymerization mediates the projection of the plasma membrane in lamellipodia and membrane ruffles. WAVEs exist as a pentameric hetero-complex called WAVE Regulatory Complex (WRC). The WRC consists of a WAVE family protein (WASF1, WASF2 or WASF3 - commonly known as WAVE1, WAVE2 or WAVE3), ABI (Abelson-interacting protein), NCKAP1 (NAP1, p125NAP1), CYFIP1 (SRA1) or the closely related CYFIP2 (PIR121), and BRK1 (HSPC300, BRICK). Of the three structurally conserved WAVEs in mammals, the importance of WAVE2 in activation of the ARP2/3 complex and the consequent formation of branched actin filaments is best established. WAVEs in the WRC are intrinsically inactive and are stimulated by RAC1 GTPase and phosphatidylinositols (PIP3). The C-terminal VCA domain of WAVE2 (and likely WAVE1 and WAVE3) which can bind both the ARP2/3 complex and actin monomers (G-actin) is masked in the inactive state. After PIP3 binds to the polybasic region of WAVE2 (and likely WAVE1 and WAVE3) and RAC1:GTP binds to the CYFIP1 (or CYFIP2) subunit of the WRC, allosteric changes most likely occur which allow WAVEs to interact with the ARP2/3 complex. The interactions between WAVEs and RAC1 are indirect. BAIAP2/IRSp53, an insulin receptor substrate, acts as a linker, binding both activated RAC1 and the proline-rich region of WAVE2 (and likely WAVE1 and WAVE3) and forming a trimolecular complex. CYFIP1 (or CYFIP2) in the WAVE regulatory complex binds directly to RAC1:GTP and links it to WAVE2 (and likely WAVE1 and WAVE3) (Derivery et al. 2009, Yamazaki et al. 2006, Takenawa & Suetsugu 2007, Chen et al. 2010, Pollard 2007, Lebensohn & Kirschner 2009).
R-HSA-2029466 (Reactome) Once activated, the ARP2/3 complex nucleates new actin filaments that extend from the sides of pre-existing mother actin filaments at a 70-degree angle to form Y-branched networks (Firat-Karalar & Welch 2010). These branched actin filaments push the cell membrane forward to form a pseudopod. The ARP2/3 complex is composed of two Arps (actin-related proteins), ARP2 and ARP3, and five unique proteins ARPC1, ARPC2, ARPC3, ARPC4 and ARPC5 (Gournier et al. 2001). Both ARP2 and ARP3 subunits bind ATP. There are two proposed models to explain the process of actin nucleation by ARP2/3 complex: the barbed-end branching model and the dendritic nucleation/side branching model (Le Clainche & Carlier 2008).
In barbed-end branching model, the branching/ternary complex (G-actin-WASP/WAVE-Arp2/3 complex) binds to the barbed end of the mother filament. G-actin bound to VCA domain or one of the Arp subunits incorporates into the mother filament at the barbed end, thus positioning ARP2/3 complex to initiate the daughter branch on the side of the mother filament. ARP2/3 nucleates the formation of new actin filament branches, which elongate at the barbed ends (Le Clainche & Carlier 2008, Pantaloni et al 2000, Le Clainche et al. 2003, Egile et al. 2005). In side branching model, the branching complex binds to the side of the mother actin filament mimicking an actin nucleus and initiates a lateral branch (Le Clainche & Carlier 2008, Amann & Pollard 2001).
R-HSA-2029467 (Reactome) RAC1 is activated from inactive GDP-bound state to active GTP-bound form by the GEF activity of DOCK180:ELMO complex.
R-HSA-2029468 (Reactome) Phosphatidic acid phosphatase (PAP) bound to the plasma membrane catalyzes the dephosphorylation of phosphatidic acid (PA), yielding diacylglycerol (DAG) and inorganic phosphate. In humans, Diacylglycerol pyrophosphate (DPPL1 and DPPL2) perform this reaction.
R-HSA-2029469 (Reactome) The ARP2/3 complex shows higher affinity for the phosphorylated VCA domain of WAVE2 than for the unphosphorylated VCA domain. WAVE proteins can be phosphorylated by various kinases. Active ERK (Mitogen activated protein kinase 3) phosphorylates the WAVE regulatory complex (WRC) on multiple serine/threonine sites within the proline-rich domains (PRDs) of WAVE2 and ABI1. Phosphorylation of the PRDs would disrupt their interaction with SH3 and PLP binding domains, potentially altering WRC activation. ERK phosphorylates both S343 and T346 in WAVE2 and S183, S216, S225, S392, and S410 in ABI1. Cumulatively, the phosphorylation of both WAVE2 and ABI in the WAVE regulatory complex (WRC) contributes to the RAC-induced WRC conformational change that exposes the VCA domain, leading to binding and activation of ARP2/3 (Mendoza et al. 2011, Nakanishi et al. 2007). ERK phosphorylation sites in WAVE2 are not strictly conserved in WAVE1 and WAVE3 but, based on the amino acid sequence, other potential ERK phosphorylation sites exist.
R-HSA-2029471 (Reactome) Phospholipase D (PLD) catalyses the hydrolysis of the membrane phospholipid, phosphatidylcholine (PC) to generate choline and metabolically active phosphatidic acid (PA) (Lennartz 1999). Pharmacological inhibition studies show that PLD participates in FCGR-mediated phagocytosis (Kusner et al. 1996). There is an increase in the activity of PLD following the activation of phagocytosis via FCGR (Kusner et al. 1999). Following activation of FCGR, PLD translocates to the plasma membrane at the phagocytic cup and generate PA. This PA can be converted to DAG through the action of phosphatidic acid phosphatase-1 (PAP-1). Thus activation of PLD may be an additional pathway leading to PKC activation.
The two isoforms PLD1 and PLD2 are both shown to be essential for the formation of phagosome at different stages. PLD1 is localized on the endosomal/lysosomal compartment and PLD2 is localized at the plasma membrane. PLD2 may be linked to phagosome formation whereas PLD1 may be involved in the focal exocytosis at the plasma membrane and also in the maturation process (Carrotte et al. 2006).
R-HSA-2029473 (Reactome) ATP bound G-actin monomers are added to the fast growing barbed ends of both mother and daughter filaments. The polymerization of these filaments drives membrane protrusion. In the process of phagocytosis, pseudopodia extend around the antibody-bound particle to form the phagocytic cup. This elongation continues until the filament reaches steady state equilibrium with free G-actin monomers (Millard et al. 2004, Le Clainche et al. 2008).
R-HSA-2029475 (Reactome) Several members of phospholipase A (PLA) are involved in phagocytosis. Macrophages express three classes of PLA2: secreted Ca-dependent (sPLA2), cytosolic Ca-dependent (cPLA2) and cytosolic Ca-independent (iPLA2) of which iPLA2 is involved in FCGR mediated arachidonic acid (AA) production. Aggregation of FCGR triggers phosphorylation and membrane translocation of iPLA2. Protein kinase C (PKC), ERK and p38MAPK seems to regulate iPLA2 in monocytes, neutrophils and macrophages. Phosphorylated iPLA2 then mediates production of AA and lysoophospholipids from phosphatidylcholine. iPLA2 inhibitors (bromoenol lactone) block AA release and phagocytosis which can be restored upon addition of exogenous AA, suggesting a critical role for iPLA2 in FCGR phagocytosis (Lennartz et al. 1993, Tay & Melendez). Release of AA by activated iPLA2 changes the physical characteristic of the membrane which may facilitate pseudopod extension.
R-HSA-2029476 (Reactome) In addition to the membrane remodeling for pseudopod extension, particle internalization requires a contractility force pulling the forming phagosome into the cytoplasm. Myosin motor proteins are the actin-binding proteins, with ATPase activity move along actin fibers, and produce the driving force for phagosome formation and transport. Several myosin motors including myosins IC, II, V, IXb are involved in FCGR-mediated phagocytosis as force generators and actin-based transport motors (Swanson et al. 1999). Nonmuscle myosin II, is a motor protein known to generate intracellular contractile forces and tension by associating with F-actin. It has been observed to localize around forming phagosomes and suggested a role in phagocytic-cup squeezing during FCGR-mediated phagocytosis. Each myosin II motor protein exists as a complex consisting of two copies each of myosin II heavy chain (MHC), essential light chains (ELC), and myosin regulatory light chain (MRLC). Selective inhibition of myosin II by ML-7, a myosin light-chain kinase (MLCK) inhibitor, prevents phagocytic cup closure, but not pseudopod extension for the formation of phagocytic cups in FCGR-mediated phagocytosis (Grooves et al. 2008, Araki 2006). Tight ring of actin filaments within the elongating pseudopodia squeezes the deformable particles. In the classical zipper model for phagocytosis, the pseudopod extends over the IgG-coated particles, in which FCGRs in the phagocyte plasma membrane interact sequentially with Fc portions of IgG molecules zippering the membrane along the particle. This sequential IgG-FCGR binding might not occur by itself, but requires forced zipper closure, where myosin-II contractile activity may promote the binding between the FCGR and its ligands, to facilitate the efficient extension and subsequent closure of phagocytic cups (Araki 2006, ). Myosin IC mediates the purse-string-like contraction that closes phagosomes. Myosin-V has been implicated in membrane trafficking events (Swanson et al. 1999).
R-HSA-2130194 (Reactome) Abelson interactor-1 (ABL) tyrosine kinase phosphorylates the strictly conserved tyrosine 150 in WAVE2 (Y151 in WAVE1 and WAVE3) (Leng et al. 2003, Chen et al. 2010).
R-HSA-2197690 (Reactome) After incorporation at the branch, the actin bound to VCA domain of WASP/WAVE undergoes ATP hydrolysis and this destabilizes its interaction with WASP/WAVE. This dissociates the branched junction from the membrane-bound WASP/WAVE (Kovar 2006).
R-HSA-2197691 (Reactome) WASP interacting proteins (WIP) family includes WIPF1 (WIP), WIPF2 (WIRE,WICH) and WIPF3 (CR16, corticosteroids and regional expression-16). WIPs share a specific proline rich sequence that interacts with the WH1 domain of WASP and N-WASP (WASL). WIPs form heterocomplexes with WASPs and may contribute to the WASP protein stability (Aspenstrom 2002, Kato et al. 2002, Ho et al. 2001, Moreau et al. 2000).
SH3 domain containing adaptor proteins like GRB2 (Carlier et al. 2000), NCK (Rohatgi et al. 2001) and WISH (DIP/SPIN90) (Fukuoka et al. 2001) bind to the proline rich domain in WASPs and activate the ARP2/3 complex. By binding simultaneously to N-WASP and the ARP2/3 complex, GRB2 works synergistically with CDC42 in the activation of ARP2/3 complex-mediated actin assembly (Carlier et al. 2000).
R-HSA-2197697 (Reactome) Macrophages lacking all the three isoforms of VAV did not affect FCGR-mediated phagocytosis suggesting that RAC1 is regulated by GEFs other than VAV downstream of the FCGR (Hall et al 2006). DOCK180, a member of GEFs, is found to be involved in the activation of RAC1. DOCK180 associates with the adaptor protein CRKII and the complex is found to accumulate at the phagocytic cup. DOCK180 is recruited to the sites of phagocytosis by binding to SH3 domain of CRKII through its proline-rich motif (Hasegawa et al 1996). CRKII is likely recruited to the activated FCGR complex by binding phosphorylated ITAM tyrosines on the receptor or through other phosphotyrosines on ancillary proteins that are recruited to the receptor complex (Lee et al 2007). Unlike the usual GEFs, DOCK180 does not contain the conserved Dbl homology (DH) domain. Instead, it has a DHR-2 or DOCKER domain capable of loading RAC with GTP (Brugnera et al 2002). Binding of DOCK180 to RAC alone is insufficient for GTP loading, and a DOCK180-ELMO interaction is required. ELMO1, as well as ELMO2, form a complex with DOCK180 and they function together as a bipartite GEF to optimally activate RAC (Gumienny et al 2001, Brugnera et al 2002).
R-HSA-2197698 (Reactome) WASP is phosphorylated on Tyr291 (Cory et al. 2002) and N-WASP (WASL) on Tyr256 (Wu et al. 2004) by Src family of tyrosine kinases and this phosphorylation may release the autoinhibitory intramolecular interactions. The phosphorylation seems to be enhanced by the activation of CDC42. WASP phosphorylation and binding of CDC42 have a synergistic effect on the activation of the ARP2/3 complex (Takenawa & Suetsugu 2007). In N-WASP, the phosphorylation may reduce its nuclear translocation and may sustain it in its functional site in the cytoplasm (Wu et al. 2004).
R-HSA-399950 (Reactome) The EPHB2-FAK pathway partially promotes dendritic spine stability through LIMK-mediated cofilin (CFL1) phosphorylation (Shi et al. 2009). CFL1 is a member of the ADF (actin-depolymerizing factor) protein family that is involved in regulating actin dynamics in the growth cone. It binds to actin in a one-to-one molar ratio, and stimulates both the severing of actin filaments and depolymerization of actin subunits from the actin filament end. Activated LIMK phosphorylates CFL1 on the conserved serine 3 residue located near the actin-binding site. After phosphorylation, CFL1 is inactive, loses its affinity for actin and dissociates from G-actin monomers. Once freed, ADP-actin monomers can exchange ADP with cytoplasmic ATP, ready for reincorporation at the barbed end of a growing filament (Gungabissoon & Bamburg 2003).
R-HSA-419644 (Reactome) Binding of Hsp90 to the LIMK proteins protects them from degradation and promotes their dimer formation and transphosphorylation. It is estimated that LIMK1 contains at least 5 phospho-amino acids primarily phospho-serines, in its kinase domain. The positions of these serine residues are not known. Transphosphorylation of these serine residues in LIMK1 increases its stability.
R-HSA-419645 (Reactome) After phosphorylation on Thr 508, LIMK undergoes homodimerization. Homodimer formation is promoted by the binding of heat shock protein 90 (Hsp90) to a short sequence in the kinase domain of LIMKs. LIMKs are further phosphorylated after homodimer formation and transphosphorylation of the kinase domain.
R-HSA-442586 (Reactome) Wiskott-Aldrich syndrome protein (WASP) and Neural-WASP (N-WASP, WASL) proteins are scaffolds that transduce signals from cell surface receptors to the activation of the ARP2/3 complex and actin polymerization. WASP and N-WASP possess a central GTPase binding domain (GBD) and an NH2-terminal WASP homology domain 1 (WH1) followed by a basic region (B), and a C-terminal VCA region that contains: a V domain (verprolin homology/WASP homology 2), a C domain (connecting), and an A motif (acidic). The VCA region is responsible for binding to and activating the ARP2/3 complex (Bompard & Caron 2004, Callebaut et al 1998). Under resting conditions, WASP and N-WASP are maintained in an autoinhibited state via interaction of the GBD and the VCA domains. This prevents access of the ARP2/3 complex and G-actin to the VCA region. Activated CDC42 binds to the GBD region of WASPs and this interaction releases the VCA region from autoinhibition, enabling binding of the ARP2/3 complex and stimulating actin polymerization (Kim et al 2000, Park & Cox 2009). Phosphoinositides (PtdIns(4,5)P2) interact with the basic (B) region in WASPs and this interaction is important for activation of the WASPs and the ARP2/3 complex (Higgs & Pollard 2000).
R-HSA-442592 (Reactome) Once WASPs (WASP and N-WASP) and WAVEs (WAVE2 and probably WAVE1 and WAVE3) are activated, their VCA region becomes available for binding to the ARP2/3 complex and actin monomer (G-actin). The actin monomer binds to the V domain and ARP2/3 complex binds to the CA domain. The simultaneous binding of G-actin and the ARP2/3 complex to the VCA region contributes to the activation of the ARP2/3-complex-mediated actin polymerization. The VCA module acts as a platform on which an actin monomer binds to the ARP2/3 complex to trigger actin polymerization (Takenawa & Suetsugu 2007).
RAC1:GDPR-HSA-2029451 (Reactome)
RAC1:GDPR-HSA-2029467 (Reactome)
RAC1:GTP,CDC42:GTP:PAK1ArrowR-HSA-2029456 (Reactome)
RAC1:GTP,CDC42:GTP:PAK1R-HSA-2029454 (Reactome)
RAC1:GTPArrowR-HSA-2029451 (Reactome)
RAC1:GTPArrowR-HSA-2029467 (Reactome)
RAC1:GTPR-HSA-2029465 (Reactome)
SH3 domain proteinsR-HSA-2197691 (Reactome)
SYKR-HSA-2029452 (Reactome)
Src family kinases (SFKs)mim-catalysisR-HSA-2029459 (Reactome)
Src-kinasesmim-catalysisR-HSA-2197698 (Reactome)
Unknown GEFmim-catalysisR-HSA-2029445 (Reactome)
VAV1,2,3R-HSA-2029458 (Reactome)
WASP/N-WASPR-HSA-442586 (Reactome)
WAVE Regulatory ComplexR-HSA-2029465 (Reactome)
WIP family proteinsR-HSA-2197691 (Reactome)
WRC:IRSp53/58:RAC1:GTP:PIP3ArrowR-HSA-2029465 (Reactome)
WRC:IRSp53/58:RAC1:GTP:PIP3R-HSA-2130194 (Reactome)
clustered IgG-Ag:FCGRsR-HSA-2029459 (Reactome)
clustered IgG-Ag:p-FCGRs:SYKArrowR-HSA-2029452 (Reactome)
clustered IgG-Ag:p-FCGRs:SYKR-HSA-2029449 (Reactome)
clustered IgG-Ag:p-FCGRs:SYKmim-catalysisR-HSA-2029449 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:PLCGArrowR-HSA-2029270 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:PLCGR-HSA-2029268 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:PLCGmim-catalysisR-HSA-2029268 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:VAVArrowR-HSA-2029458 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:VAVR-HSA-2029453 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:p-3Y-PLCGArrowR-HSA-2029268 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:p-3Y-PLCGR-HSA-2029272 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:p-VAVArrowR-HSA-2029453 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYK:p-VAVmim-catalysisR-HSA-2029451 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKArrowR-HSA-2029272 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKArrowR-HSA-2029449 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKR-HSA-2029270 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKR-HSA-2029273 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKR-HSA-2029458 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKR-HSA-2197697 (Reactome)
clustered IgG-Ag:p-FCGRs:p-6Y-SYKmim-catalysisR-HSA-2029453 (Reactome)
clustered IgG-Ag:p-FCGRsArrowR-HSA-2029459 (Reactome)
clustered IgG-Ag:p-FCGRsArrowR-HSA-2029476 (Reactome)
clustered IgG-Ag:p-FCGRsR-HSA-2029452 (Reactome)
clustered IgG-Ag:p-FCGRsR-HSA-2029476 (Reactome)
p-4Y-PLCG1mim-catalysisR-HSA-167686 (Reactome)
p-PLCGArrowR-HSA-2029272 (Reactome)
p-S144,T423-PAK1ArrowR-HSA-2029454 (Reactome)
p-S144,T423-PAK1mim-catalysisR-HSA-2029460 (Reactome)
p-T,Y MAPK dimersmim-catalysisR-HSA-2029469 (Reactome)
p-T508-LIMK1ArrowR-HSA-2029460 (Reactome)
p-T508-LIMK1R-HSA-419645 (Reactome)
p-Y,S,T-WRC:IRSp53/58:RAC1:GTP:PIP3ArrowR-HSA-2029469 (Reactome)
p-Y-WRC:IRSp53/58:RAC1:GTP:PIP3ArrowR-HSA-2130194 (Reactome)
p-Y-WRC:IRSp53/58:RAC1:GTP:PIP3R-HSA-2029469 (Reactome)
pCofilin: Active LIMK-1ArrowR-HSA-399950 (Reactome)
pLIMK dimer:HSP-90ArrowR-HSA-419645 (Reactome)
pLIMK dimer:HSP-90R-HSA-419644 (Reactome)
pLIMK dimer:HSP-90mim-catalysisR-HSA-419644 (Reactome)
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