ID 1.2.1.19 DE Aminobutyraldehyde dehydrogenase. AN 1-pyrroline dehydrogenase. AN 4-aminobutanal dehydrogenase. AN ABALDH. AN Gamma-guanidinobutyraldehyde dehydrogenase. CA 4-aminobutanal + NAD(+) + H(2)O = 4-aminobutanoate + NADH. CC -!- The enzyme from some species exhibits broad substrate specificity and CC has a marked preference for straight-chain aldehydes (up to 7 carbon CC atoms) as substrates. CC -!- The plant enzyme also acts on 4-guanidinobutanal (cf. EC 1.2.1.54). CC -!- As 1-pyrroline and 4-aminobutanal are in equilibrium and can be CC interconverted spontaneously, 1-pyrroline may act as the starting CC substrate. CC -!- Formerly EC 1.5.1.35. PR PROSITE; PDOC00068; DR A8AGJ9, ABDH_CITK8 ; A7ZLN7, ABDH_ECO24 ; Q8X9W5, ABDH_ECO57 ; DR A8A002, ABDH_ECOHS ; A1AB46, ABDH_ECOK1 ; Q0THX6, ABDH_ECOL5 ; DR Q8FHK7, ABDH_ECOL6 ; B1IS15, ABDH_ECOLC ; P77674, ABDH_ECOLI ; DR Q1RBX3, ABDH_ECOUT ; A4WAR9, ABDH_ENT38 ; Q6D6Y7, ABDH_ERWCT ; DR A9MQY3, ABDH_SALAR ; Q57P61, ABDH_SALCH ; Q5PHV8, ABDH_SALPA ; DR A9MYQ4, ABDH_SALPB ; Q8Z747, ABDH_SALTI ; Q8ZPC9, ABDH_SALTY ; DR A8GHZ8, ABDH_SERP5 ; Q32FQ5, ABDH_SHIDS ; Q0T431, ABDH_SHIF8 ; DR Q83R90, ABDH_SHIFL ; Q3Z1H6, ABDH_SHISS ; P49189, AL9A1_HUMAN; //