Reaction: S-adenosyl-L-methionine + mycinamicin III = S-adenosyl-L-homocysteine + mycinamicin IV
For diagram of reaction click here.
Glossary: mycinamicin III = [(2R,3R,4E,6E,9R,11S,12S,13S,14E)-2-ethyl-9,11,13-trimethyl-8,16-dioxo-12-{[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy}oxacyclohexadeca-4,6,14-trien-3-yl]methyl 6-deoxy-2-O-methyl-β-D-allopyranoside
mycinamicin IV = [(2R,3R,4E,6E,9R,11S,12S,13S,14E)-2-ethyl-9,11,13-trimethyl-8,16-dioxo-12-{[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy}oxacyclohexadeca-4,6,14-trien-3-yl]methyl 6-deoxy-2,3-di-O-methyl-β-D-allopyranoside
Other name(s): MycF
Systematic name: S-adenosyl-L-methionine:mycinamicin III 3"-O-methyltransferase
Comments: The enzyme is involved in the biosynthesis of mycinamicin macrolide antibiotics.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number:
References:
1. Li, S., Anzai, Y., Kinoshita, K., Kato, F. and Sherman, D.H. Functional analysis of MycE and MycF, two O-methyltransferases involved in the biosynthesis of mycinamicin macrolide antibiotics. Chembiochem. 10 (2009) 1297-1301. [PMID: 19415708]