2 oxidized [plastocyanin] + a plastoquinol + 2 H(+)(in) => 2 reduced [plastocyanin] + a plastoquinone + 4 H(+)(out)
2 oxidized [plastocyanin] + a plastoquinol + 2 h(+)(in) => 2 reduced [plastocyanin] + a plastoquinone + 4 h(+)(out)
2 oxidized [plastocyanin] + a plastoquinol + 2 H(+)(in) => 2 reduced [plastocyanin] + a plastoquinone + 4 H(+)(out)
2 oxidized [plastocyanin] + a plastoquinol + 2 h(+)(in) => 2 reduced [plastocyanin] + a plastoquinone + 4 h(+)(out)