menaquinone-7 + NADH + H(+) = menaquinol-7 + NAD(+)
menaquinone-7 + nadh + h(+) = menaquinol-7 + nad(+)
menaquinone-7 + NADH + H(+) = menaquinol-7 + NAD(+)
menaquinone-7 + nadh + h(+) = menaquinol-7 + nad(+)