carbamoyl phosphate + L-ornithine => L-citrulline + phosphate + H(+)
carbamoyl phosphate + l-ornithine => l-citrulline + phosphate + h(+)
carbamoyl phosphate + L-ornithine => L-citrulline + phosphate + H(+)
carbamoyl phosphate + l-ornithine => l-citrulline + phosphate + h(+)