label: (9Z,12Z,15Z)-octadecatrienoyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O => (9Z,12Z)-octadecadienoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+)
label_lc: (9z,12z,15z)-octadecatrienoyl-coa + 2 fe(iii)-[cytochrome b5] + 2 h2o => (9z,12z)-octadecadienoyl-coa + 2 fe(ii)-[cytochrome b5] + o2 + 2 h(+)