Tags: Enzyme.
L-olivosyl-oleandolide 3-O-methyltransferase (EC 2.1.1.239 OleY) is an enzyme with system name S-adenosyl-L-methionine:L-olivosyl-oleandolide B 3-O-methyltransferase. This enzyme catalyses the following chemical reaction S-adenosyl-L-methionine + L-olivosyl-oleandolide S-adenosyl-L-homocysteine + L-oleandrosyl-oleandolide The enzyme is involved in the biosynthesis of the macrolide antibiotic oleandomycin in Streptomyces antibioticus.