ID 1.4.1.12 DE 2,4-diaminopentanoate dehydrogenase. CA 2,4-diaminopentanoate + H(2)O + NAD(P)(+) = 2-amino-4-oxopentanoate + CA NH(3) + NAD(P)H. CC -!- Also acts, more slowly, on 2,5-diaminohexanoate forming 2-amino-5- CC oxohexanoate, which then cyclizes non-enzymically to 1-pyrroline-2- CC methyl-5-carboxylate. //