IUBMB Enzyme Nomenclature

EC 2.1.1.238

Accepted name: mycinamicin VI 2"-O-methyltransferase

Reaction: S-adenosyl-L-methionine + mycinamicin VI = S-adenosyl-L-homocysteine + mycinamicin III

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 VI = [(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-β-D-allopyranoside

Other name(s): MycE

Systematic name: S-adenosyl-L-methionine:mycinamicin VI 2"-O-methyltransferase

Comments: The enzyme is involved in the biosynthesis of mycinamicin macrolide antibiotics. Requires Mg2+ for optimal activity.

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]

[EC 2.1.1.238 created 2011]


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