(4S)-4-hydroxy-L-glutamate + NADH + 2 H(+) => L-4-hydroxyglutamate semialdehyde + NAD(+) + H2O
(4s)-4-hydroxy-l-glutamate + nadh + 2 h(+) => l-4-hydroxyglutamate semialdehyde + nad(+) + h2o
(4S)-4-hydroxy-L-glutamate + NADH + 2 H(+) => L-4-hydroxyglutamate semialdehyde + NAD(+) + H2O
(4s)-4-hydroxy-l-glutamate + nadh + 2 h(+) => l-4-hydroxyglutamate semialdehyde + nad(+) + h2o