Biosynthesis of the nucleoside antibiotic angustmycins: identification and characterization of the biosynthetic gene cluster reveal unprecedented dehydratase required for exo-glycal formation.
2021
The nucleoside antibiotic angustmycin, produced by some Streptomyces strains, is composed of adenine and C6 sugar and shows antibiotic and antitumor activities. In this study, we propose a biosynthetic pathway for angustmycin using a heterologous expression experiment coupled with in silico analysis of the angustmycin biosynthetic gene (agm) cluster. The biochemical characterization of Agm6 demonstrated its role in angustmycin biosynthesis as an unprecedented dehydratase.
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