a menaquinone + NADH + 5 H(+)(in) <=> a menaquinol + NAD(+) + 4 H(+)(out)
a menaquinone + nadh + 5 h(+)(in) <=> a menaquinol + nad(+) + 4 h(+)(out)
a menaquinone + NADH + 5 H(+)(in) <=> a menaquinol + NAD(+) + 4 H(+)(out)
a menaquinone + nadh + 5 h(+)(in) <=> a menaquinol + nad(+) + 4 h(+)(out)