label: (4S)-4-hydroxy-L-glutamate + NADPH + H(+) => (3R,5S)-1-pyrroline-3-hydroxy-5-carboxylate + NADP(+) + 2 H2O
label_lc: (4s)-4-hydroxy-l-glutamate + nadph + h(+) => (3r,5s)-1-pyrroline-3-hydroxy-5-carboxylate + nadp(+) + 2 h2o