(16S)-deshydroxymethyl-stemmadenine + formate + NADP(+) => 3,17-didehydrostemmadenine + NADPH + H2O
(16s)-deshydroxymethyl-stemmadenine + formate + nadp(+) => 3,17-didehydrostemmadenine + nadph + h2o
(16S)-deshydroxymethyl-stemmadenine + formate + NADP(+) => 3,17-didehydrostemmadenine + NADPH + H2O
(16s)-deshydroxymethyl-stemmadenine + formate + nadp(+) => 3,17-didehydrostemmadenine + nadph + h2o