menaquinone-4 + NADH + H(+) => menaquinol-4 + NAD(+)
menaquinone-4 + nadh + h(+) => menaquinol-4 + nad(+)
menaquinone-4 + NADH + H(+) => menaquinol-4 + NAD(+)
menaquinone-4 + nadh + h(+) => menaquinol-4 + nad(+)