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Benzoate degradation via hydroxylation Indole-3-acetaldehyde Cinnavalininate 2-Oxoglutarate 3-(2-Aminoethyl) -1H-indol-5-ol 4-(2-Amino-5-hydroxyphenyl) -2,4-dioxobutanoate 4,8-Dihydroxyquinoline 5-(3'-Carboxy-3'-oxopropyl) -4,6-dihydroxypicolinate 2-Formamino benzoylacetate 7,8-Dihydro-7,8-dihydroxykynurenate Oxaloacetate 2-Aminomuconate Isophenoxazine 7,8-Dihydroxykynurenate 5-Hydroxyindolepyruvate Glucobrassicin 3-Hydroxyanthranilate 2-Formylaminobenzaldehyde 6-Hydroxykynurenate 2-Amino-3-carboxymuconate 3-Indoleglycolaldehyde 6-Hydroxyindolelactate N-Acetylindoxyl Indolelactate 5-(2'-Formylethyl)-4,6-dihydroxypicolinate Quinolinate 5-Hydroxyindoleacetate 3-Methyldioxyindole 2,3-Dihydroxyindole 3-Hydroxy- L-kynurenine Indole-3-ethanol 2-Aminomuconate 5-Hydroxykynurenamine 8-Methoxykynurenate Kynurenate Formyl-N-acetyl-5- methoxykynurenamine 5-(3'-Carboxy-3'-oxopropenyl)-4,6-dihydroxypicolin 5-Hydroxyindoleacetylglycine Indole-3-acetate Formylanthranilate Formyl-5-hydroxykynurenamine 2-Oxoadipate Indole-3-acetaldoxime Anthranilate (Z)-5-Oxohex-2-enedioate 4-(2-Aminophenyl)-2,4-dioxobutanoate 5-Methoxyindoleacetate 3-Methylindolepyruvate 3-Hydroxykynurenamine 3-Methoxyanthranilate Anthranilate C01144 L-Tryptophanyl-tRNA Indolepyruvate HADH N-Acetylisatin AFMID N-Acetylserotonin KYNU MAOB Cyp2c39 MDM2 ABP1 INMT 3.5.99.5 2.1.1.47 CYP1A1 AADAT Glycolysis/Gluconeogenesis UBE3A Melatonin 3.5.5.1 ALDH3A2 1.14.16.3 1.13.12.3 L-Tryptophan Aldh1a4 1.2.1.- CYP2E1 AOX1 3.2.1.147 HSD17B10 CYP2A13 Tryptamine MAOB MDM2 2.6.1.27 ACMSD KYNU 3.5.1.49 TDO2 1.2.3.7 ALDH3A2 Glutaryl-CoA 1.14.99.2 DHCR24 ASMT 4,6-Dihydroxyquinoline Cyp2c12 5-Hydroxy-L-tryptophan ALDH9A1 RNF25 3-Indoleacetonitrile L-Kynurenine 1.1.1.190 DDC HAAO 2.6.1.27 Indole-3-acetamide Aldh1a4 IDO1 Indole ECHS1 Formylkynurenine Crotonoyl-CoA MAOB ASMT UBR5 Xanthurenic acid Cyp2d2 KYNU 5-(2'-Carboxyethyl)-4,6-Dihydroxypicolinate UBE3A CYP3A4 CYP4F12 TPH1 CYP19A1 OGDH 1.13.11.10 GCDH Cyp2a2 Acetoacetyl-CoA 5-Hydroxy-N-formylkynurenine 1.13.99.3 Nicotinate and nicotinamide metabolism 5-Methoxytryptamine HRMT1L2 CYP1A2 4.1.99.1 MAOB ALDH1A2 1.7.3.2 2.6.1.27 Cyp2a1 RNF25 ALDH2 ALDH1A2 ALDH2 Cyp2b15 DDC ALDH1A1 Acetyl-CoA 2.1.1.49 5-Hydroxykynurenine 1.14.16.- AADAT 4-(2-Amino-3-hydroxyphenyl)-2,4-dioxobutanoate 1.13.11.23 4.1.1.- 4.1.1.43 3.5.1.9 1.2.1.32 CAT IDO1 1.1.1.110 5-Hydroxyindoleacetaldehyde WARS CYP2J2 1.13.11.17 AANAT 4.2.1.84 GCDH N-Methylserotonin HRMT1L2 Phenylalanine, Tyrosine and Tryptophan metabolism IDO1 1.4.3.2 2-Aminophenol HRMT1L2 1.3.1.18 Benzoate degradation via hydroxylation CYP1B1 1.5.1.- CYP2C18 1.14.13.9 DDC ALDH9A1 1.10.3.4 1.1.1.191 ACAT1 CYP2F1 N-Methyltryptamine 3.5.1.4 ALDH1A1 MDM2 1.13.11.- 6-Hydroxymelatonin CYP7B1
Description
Tryptophan (symbol Trp or W; encoded by the codon UGG) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group, an α-carboxylic acid group, and a side chain indole, making it a non-polar aromatic amino acid. Many animals (including humans) cannot synthesize tryptophan: they need to obtain it through their diet, making it an essential amino acid. Tryptophan is among the less common amino acids found in proteins, but it plays important structural or functional roles whenever it occurs. For instance, tryptophan and tyrosine residues play special roles in "anchoring" membrane proteins within the cell membrane. In addition, tryptophan functions as a biochemical precursor.
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