label: 4beta-methylzymosterol-4alpha-carboxylate + 2 Fe(III)-[cytochrome b5] + H2O => 4beta-methylzymosterol-4alpha-carbaldehyde + 2 Fe(II)-[cytochrome b5] + O2 + H(+)
label_lc: 4beta-methylzymosterol-4alpha-carboxylate + 2 fe(iii)-[cytochrome b5] + h2o => 4beta-methylzymosterol-4alpha-carbaldehyde + 2 fe(ii)-[cytochrome b5] + o2 + h(+)