a menaquinone + NADH + H(+) <=> a menaquinol + NAD(+)
a menaquinone + nadh + h(+) <=> a menaquinol + nad(+)
a menaquinone + NADH + H(+) <=> a menaquinol + NAD(+)
a menaquinone + nadh + h(+) <=> a menaquinol + nad(+)