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Information on EC 2.1.1.332 - bacteriochlorophyllide d C-82-methyltransferase

for references in articles please use BRENDA:EC2.1.1.332

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IUBMB Comments

This enzyme, found in green sulfur bacteria (Chlorobiaceae) and green flimentous bacteria (Chloroflexaceae), is a radical S-adenosyl-L-methionine (AdoMet) enzyme and contains a [4Fe-4S] cluster. It adds one or two methyl groups at the C-82 position of bacteriochlorophylls of the c, d and e types. These methylations play a role in fine-tuning the structural arrangement of the bacteriochlorophyll aggregates in chlorosomes and therefore directly influence chlorosomal absorption properties.

The expected taxonomic range for this enzyme is: Bacteria, Archaea

Synonyms
bacteriochlorophyllide c C-82-methyltransferase, bchQ, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
S-adenosyl-L-methionine + 12-ethyl-8-propyl-3-vinylbacteriochlorophyllide d = S-adenosyl-L-homocysteine + 12-ethyl-8-isobutyl-3-vinylbacteriochlorophyllide d
show the reaction diagram
(2)
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S-adenosyl-L-methionine + 8,12-diethyl-3-vinylbacteriochlorophyllide d = S-adenosyl-L-homocysteine + 12-ethyl-8-propyl-3-vinylbacteriochlorophyllide d
show the reaction diagram
(1)
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