2 a menaquinone + 2 H2O(in) + n H(+)(out) => 2 a menaquinol + O2 + n H(+)(in)
2 a menaquinone + 2 h2o(in) + n h(+)(out) => 2 a menaquinol + o2 + n h(+)(in)
2 a menaquinone + 2 H2O(in) + n H(+)(out) => 2 a menaquinol + O2 + n H(+)(in)
2 a menaquinone + 2 h2o(in) + n h(+)(out) => 2 a menaquinol + o2 + n h(+)(in)