The Enzyme Database

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Accepted name: 2-ketoarginine methyltransferase
Reaction: S-adenosyl-L-methionine + 5-guanidino-2-oxopentanoate = S-adenosyl-L-homocysteine + 5-guanidino-3-methyl-2-oxopentanoate
Glossary: 5-guanidino-2-oxopentanoate = 2-ketoarginine
5-guanidino-3-methyl-2-oxopentanoate = 5-carbamimidamido-3-methyl-2-oxopentanoate
Other name(s): mrsA (gene name)
Systematic name: S-adenosyl-L-methionine:5-carbamimidamido-2-oxopentanoate S-methyltransferase
Comments: The enzyme is involved in production of the rare amino acid 3-methylarginine, which is used by the epiphytic bacterium Pseudomonas syringae pv. syringae as an antibiotic against the related pathogenic species Pseudomonas syringae pv. glycinea.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Braun, S.D., Hofmann, J., Wensing, A., Ullrich, M.S., Weingart, H., Völksch, B. and Spiteller, D. Identification of the biosynthetic gene cluster for 3-methylarginine, a toxin produced by Pseudomonas syringae pv. syringae 22d/93. Appl. Environ. Microbiol. 76 (2010) 2500–2508. [PMID: 20190091]
[EC created 2012]

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