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EC 3.1.1.100 Details
EC number
3.1.1.100
Accepted name
chlorophyllide a hydrolase
Reaction
chlorophyllide a + H2O = 8-ethyl-12-methyl-3-vinyl-bacteriochlorophyllide d + methanol + CO2
Other name(s)
bciC (gene name)
Systematic name
chlorophyllide-a hydrolase
Comment
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 3.1.1.82, pheophorbidase.
History
created 2016
EC Tree
3.1.1.9 created 1961, deleted 1972
3.1.1.12 created 1961, deleted 1972
3.1.1.16 created 1961, deleted 1972
3.1.1.18 created 1961, deleted 1982
3.1.1.62 created 1989, deleted 1992
3.1.1.69 created 1992, deleted 2002
3.1.2.8 created 1961, deleted 1978
3.1.2.9 created 1961, deleted 1964
3.1.2.24 created 2000, deleted 2005
3.1.25.2 created 1978, deleted 1992