1-deoxymethyl-sphinganine + NADP(+) => 1-deoxymethyl-3-dehydrosphinganine + NADPH + H(+)
1-deoxymethyl-sphinganine + nadp(+) => 1-deoxymethyl-3-dehydrosphinganine + nadph + h(+)
1-deoxymethyl-sphinganine + NADP(+) => 1-deoxymethyl-3-dehydrosphinganine + NADPH + H(+)
1-deoxymethyl-sphinganine + nadp(+) => 1-deoxymethyl-3-dehydrosphinganine + nadph + h(+)