protoporphyrinogen IX + 3 menaquinone-8 => protoporphyrin IX + 3 menaquinol-8
protoporphyrinogen ix + 3 menaquinone-8 => protoporphyrin ix + 3 menaquinol-8
protoporphyrinogen IX + 3 menaquinone-8 => protoporphyrin IX + 3 menaquinol-8
protoporphyrinogen ix + 3 menaquinone-8 => protoporphyrin ix + 3 menaquinol-8