label: a 1,2-saturated fatty acid + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) => a (R)-2-hydroxy fatty acid + 2 Fe(III)-[cytochrome b5] + H2O
label_lc: a 1,2-saturated fatty acid + 2 fe(ii)-[cytochrome b5] + o2 + 2 h(+) => a (r)-2-hydroxy fatty acid + 2 fe(iii)-[cytochrome b5] + h2o