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EC 2.1.1.197 Details
EC number
2.1.1.197
Accepted name
malonyl-[acyl-carrier protein] O-methyltransferase
Reaction
S-adenosyl-L-methionine + malonyl-[acyl-carrier protein] = S-adenosyl-L-homocysteine + malonyl-[acyl-carrier protein] methyl ester
Other name(s)
BioC
Systematic name
S-adenosyl-L-methionine:malonyl-[acyl-carrier protein] O-methyltransferase
Comment
Involved in an early step of biotin biosynthesis in Gram-negative bacteria. This enzyme catalyses the transfer of a methyl group to the ω-carboxyl group of malonyl-[acyl-carrier protein] forming a methyl ester. The methyl ester is recognized by the fatty acid synthetic enzymes, which process it via the fatty acid elongation cycle to give pimelyl-[acyl-carrier-protein] methyl ester [5]. While the enzyme can also accept malonyl-CoA, it has a much higher activity with malonyl-[acyl-carrier protein] [6]
History
created 2010, modified 2013
EC Tree
2.5.1.12 created 1972, deleted 1976
2.5.1.13 created 1972, deleted 1976
2.5.1.14 created 1972, deleted 1976
2.5.1.37 created 1989, deleted 2004
2.5.1.40 created 1992, deleted 1999