ID 1.1.1.n11 DE succinic semialdehyde reductase. CA 4-hydroxybutanoate + NADP(+) = H(+) + NADPH + succinate semialdehyde. DR O43488, ARK72_HUMAN; Q8CG76, ARK72_MOUSE; Q8CG45, ARK72_RAT ; DR Q9LSV0, GLYR1_ARATH; F4I907, GLYR2_ARATH; //