1.1.1.355 2'-dehydrokanamycin A + NADPH + H+ the enzyme is involved in the conversion of kanamycin B to kanamycin A. Kanamycin is a clinically important aminoglycoside antibiotic Streptomyces kanamyceticus kanamycin A + NADP+ - ? 421787 1.1.1.355 2'-dehydrokanamycin A + NADPH + H+ i.e. (1S,2R,3R,4S,6R)-4,6-diamino-3-(6-amino-6-deoxy-a-D-glucopyranosyloxy)-2-hydroxycyclohexyl 3-amino-3-deoxy-alpha-D-glucopyranoside Streptomyces kanamyceticus kanamycin A + NADP+ i.e. (1S,2R,3R,4S,6R)-4,6-diamino-3-[(6-amino-6-deoxy-a-D-arabino-hexopyranosyl-2-ulose)oxy]-2-hydroxycyclohexyl 3-amino-3-deoxy-alpha-D-glucopyranoside ? 421787