menaquinol-8 + 2 H(+)(out) => menaquinone-8 + H2 + 2 H(+)(in)
menaquinol-8 + 2 h(+)(out) => menaquinone-8 + h2 + 2 h(+)(in)
menaquinol-8 + 2 H(+)(out) => menaquinone-8 + H2 + 2 H(+)(in)
menaquinol-8 + 2 h(+)(out) => menaquinone-8 + h2 + 2 h(+)(in)