ID 1.2.1.54 DE Gamma-guanidinobutyraldehyde dehydrogenase. CA 4-guanidinobutanal + NAD(+) + H(2)O = 4-guanidinobutanoate + NADH. CC -!- Involved in the degradation of arginine in Pseudomonas putida (cf. CC EC 1.2.1.19). //