(S)-1-pyrroline-5-carboxylate + a quinol + H(+) => L-proline + a quinone
(s)-1-pyrroline-5-carboxylate + a quinol + h(+) => l-proline + a quinone
(S)-1-pyrroline-5-carboxylate + a quinol + H(+) => L-proline + a quinone
(s)-1-pyrroline-5-carboxylate + a quinol + h(+) => l-proline + a quinone