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ENZYME entry: EC 2.1.1.331

Accepted Name
Bacteriochlorophyllide d C-12(1)-methyltransferase.
Reaction catalysed
S-adenosyl-L-methionine + 8-ethyl-12-methyl-3-vinylbacteriochlorophyllide d <=> S-adenosyl-L-homocysteine + 8,12-diethyl-3-vinylbacteriochlorophyllide d
Cofactor(s)
Iron-sulfur.
Comment(s)
  • 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 a methyl group at the C-12(1) position of bacteriochlorophylls of the c, d and e types.
  • This methylation plays a role in fine-tuning the structural arrangement of the bacteriochlorophyll aggregates in chlorosomes and therefore directly influences the chlorosomes absorption properties.
Cross-references
BRENDA2.1.1.331
EC2PDB2.1.1.331
ExplorEnz2.1.1.331
PRIAM enzyme-specific profiles2.1.1.331
KEGG Ligand Database for Enzyme Nomenclature2.1.1.331
IUBMB Enzyme Nomenclature2.1.1.331
IntEnz2.1.1.331
MEDLINEFind literature relating to 2.1.1.331
MetaCyc2.1.1.331
UniProtKB/Swiss-Prot
Q8KCU0, BCHR_CHLTE

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