FIG. 1.
Chemical structures of acarbose and validamycin A (top), and the initial intermediates proposed to be involved in validamycin A biosynthesis (bottom) (7). Boxed regions show the valienamine moiety shared by both compounds.
Chemical structures of acarbose and validamycin A (top), and the initial intermediates proposed to be involved in validamycin A biosynthesis (bottom) (7). Boxed regions show the valienamine moiety shared by both compounds.