L-proline + NAD(+) = 1-pyrroline-2-carboxylate + NADH + H(+)
l-proline + nad(+) = 1-pyrroline-2-carboxylate + nadh + h(+)
L-proline + NAD(+) = 1-pyrroline-2-carboxylate + NADH + H(+)
l-proline + nad(+) = 1-pyrroline-2-carboxylate + nadh + h(+)