ID   2.1.1.332
DE   bacteriochlorophyllide d C-8(2)-methyltransferase.
CA   (1) 8,12-diethyl-3-vinylbacteriochlorophyllide d + S-adenosyl-L-
CA   methionine = 12-ethyl-8-propyl-3-vinylbacteriochlorophyllide d + H(+) +
CA   S-adenosyl-L-homocysteine.
CA   (2) 12-ethyl-8-propyl-3-vinylbacteriochlorophyllide d + S-adenosyl-L-
CA   methionine = 12-ethyl-8-isobutyl-3-vinylbacteriochlorophyllide d + H(+) +
CA   S-adenosyl-L-homocysteine.
CC   -!- This enzyme, found in green sulfur bacteria (Chlorobiaceae) and green
CC       flimentous bacteria (Chloroflexaceae), is a radical S-adenosyl-L-
CC       methionine (AdoMet) enzyme.
CC   -!- It adds one or two methyl groups at the C-8(2) position of
CC       bacteriochlorophylls of the c, d and e types.
CC   -!- These methylations play a role in fine-tuning the structural
CC       arrangement of the bacteriochlorophyll aggregates in chlorosomes and
CC       therefore directly influence chlorosomal absorption properties.
DR   Q8KBK9, BCHQ_CHLTE ;
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