Versatility of Enzymes Catalyzing Late Steps in Polyene 67-121C Biosynthesis
Author(s) -
Niamh Stephens,
Bernard J. Rawlings,
Patrick Caffrey
Publication year - 2013
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.120961
Subject(s) - polyene , biosynthesis , atp synthase , biochemistry , enzyme , cytochrome p450 , streptomyces , polyketide synthase , disaccharide , gene , gene cluster , biology , chemistry , stereochemistry , genetics , polyketide , bacteria
Actinoplanes caeruleus produces 67-121C, a heptaene macrolide modified with a D-mannosyl-D-mycosaminyl disaccharide. Draft genome sequencing revealed genes encoding mycosaminyltransferase, mycosamine synthase, a cytochrome P450 that modifies the macrolactone core, and the extending mannosyltransferase. Only the mycosamine synthase and P450 were active in the biosynthesis of amphotericins in Streptomyces nodosus, the amphotericin producer.
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