label: N-octanoylsphinganine + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = N-octanoyl-4-hydroxysphinganine + 2 Fe(III)-[cytochrome b5] + H2O
label_lc: n-octanoylsphinganine + 2 fe(ii)-[cytochrome b5] + o2 + 2 h(+) = n-octanoyl-4-hydroxysphinganine + 2 fe(iii)-[cytochrome b5] + h2o