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(+) => 1-deoxymethyl-sphinganine + nadp(+)