The Enzyme Database

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Accepted name: chlorophyllide a hydrolase
Reaction: chlorophyllide a + H2O = 8-ethyl-12-methyl-3-vinyl-bacteriochlorophyllide d + methanol + CO2
For diagram of bacteriochlorophllide c and d biosynthesis, click here
Other name(s): bciC (gene name)
Systematic name: chlorophyllide-a hydrolase
Comments: This enzyme, found in green sulfur bacteria (Chlorobiaceae) and green filamentous bacteria (Chloroflexaceae), catalyses the first committed step in the biosynthesis of bacteriochlorophylls c, d and e, the removal of the C-132-methylcarboxyl group from chlorophyllide a. The reaction is very similar to the conversion of pheophorbide a to pyropheophorbide a during chlorophyll a degradation, which is catalysed by EC, pheophorbidase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Liu, Z. and Bryant, D.A. Identification of a gene essential for the first committed step in the biosynthesis of bacteriochlorophyll c. J. Biol. Chem. 286 (2011) 22393–22402. [DOI] [PMID: 21550979]
[EC created 2016]

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