Catalysis of the reaction: delta1-piperideine-6-carboxylate + NAD+ + 2 H2O = 2-aminoadipate + NADH + H+. Delta1-piperideine-6-carboxylate is also known as 2,3,4,5-tetrahydropyridine-2-carboxylate.
Statements about Delta1-Piperideine-6-Carboxylate Dehydrogenase Activity