Chlorophyll b degradation (Arabidopsis thaliana)

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1Chlorophyll b reductase (CBR)EC:1.1.1.2947-Hydroxymethylchlorophyll a(HMChl a)pheophorbide a(pheide a)pheophytin a(phein a)chlorophyll b(chlb)chlorophyll a7-hydroxymethyl chlorophyll a reductase(HCAR) EC:1.17.7.2pheophytinase(PPH) EC:3.1.1.14Mg-dechelatase(MDC)pheophorbide b(pheide b)pheophytin b(phein b)7-Hydroxymethyl pheophytin a(HMPhein a)7-Hydroxymethyl pheophorbide a(HMPheide a)


Description

In plants the light harvesting complex around the photosystems contain chlorophyll a and b pigment molecules. both Chlorophyll and b helps in photosynthesis by absorbing light energy. Chlorophyll b is degraded into chlorophyll a and ultimately into phenophytins and pheophorbides.

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Quality Tags

Ontology Terms

 

Bibliography

  1. Shimoda Y, Ito H, Tanaka A; ''Conversion of chlorophyll b to chlorophyll a precedes magnesium dechelation for protection against necrosis in Arabidopsis.''; Plant J, 2012 PubMed Europe PMC Scholia

History

View all...
CompareRevisionActionTimeUserComment
117231view09:45, 19 May 2021EweitzModified title
107042view14:11, 17 September 2019MaintBotChEBI identifier normalization
93085view11:49, 28 July 2017DeSlChanged pubchem substance ID to ChEBI ID.
71865view21:23, 18 October 2013EgonwFixed a data source.
71449view19:14, 17 October 2013MaintBotAutomated update of data sources
70158view00:12, 13 July 2013AlexanderPicoModified title
68451view19:35, 5 July 2013MaintBotUpdated to 2013 gpml schema
49153view22:37, 6 July 2012PjaiswalModified categories
49152view22:37, 6 July 2012PjaiswalOntology Term : 'plant cell' added !
49151view22:36, 6 July 2012PjaiswalOntology Term : 'porphyrin and chlorophyll metabolic pathway' added !
49150view22:36, 6 July 2012PjaiswalModified description
49149view22:29, 6 July 2012Pjaiswaladded pathway and reactants
49148view22:09, 6 July 2012PjaiswalPeriodical save, work in progress
49147view21:58, 6 July 2012PjaiswalNew pathway

External references

DataNodes

View all...
NameTypeDatabase referenceComment
7-Hydroxymethyl pheophorbide a (HMPheide a)Metabolite
7-Hydroxymethyl pheophytin a (HMPhein a)Metabolite
7-Hydroxymethylchlorophyll a (HMChl a)MetaboliteCHEBI:76032 (ChEBI)
7-hydroxymethyl chlorophyll a reductase (HCAR) EC:1.17.7.2GeneProduct1.17.7.2 (Enzyme Nomenclature)
Chlorophyll b reductase (CBR) EC:1.1.1.294GeneProduct1.1.1.294 (Enzyme Nomenclature)
Mg-dechelatase (MDC)GeneProduct
chlorophyll aMetaboliteCHEBI:18230 (ChEBI)
chlorophyll b (chlb)MetaboliteCHEBI:27888 (ChEBI)
pheophorbide a (pheide a)MetaboliteCHEBI:38257 (ChEBI)
pheophorbide b (pheide b)MetaboliteCHEBI:38258 (ChEBI)
pheophytin a (phein a)MetaboliteCHEBI:44898 (ChEBI)
pheophytin b (phein b)MetaboliteCHEBI:38256 (ChEBI)
pheophytinase (PPH) EC:3.1.1.14GeneProduct3.1.1.14 (Enzyme Nomenclature)

Annotated Interactions

No annotated interactions

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