succinate semialdehyde + NADH + H(+) => 4-hydroxybutanoate + NAD(+)
succinate semialdehyde + nadh + h(+) => 4-hydroxybutanoate + nad(+)
succinate semialdehyde + NADH + H(+) => 4-hydroxybutanoate + NAD(+)
succinate semialdehyde + nadh + h(+) => 4-hydroxybutanoate + nad(+)