4-oxo-L-proline + NADH + H(+) => cis-4-hydroxy-L-proline + NAD(+)
4-oxo-l-proline + nadh + h(+) => cis-4-hydroxy-l-proline + nad(+)
4-oxo-L-proline + NADH + H(+) => cis-4-hydroxy-L-proline + NAD(+)
4-oxo-l-proline + nadh + h(+) => cis-4-hydroxy-l-proline + nad(+)