ID 1.4.1.16 DE Diaminopimelate dehydrogenase. AN Meso-diaminopimelate D-dehydrogenase. CA Meso-2,6-diaminoheptanedioate + H(2)O + NADP(+) = L-2-amino-6- CA oxoheptanedioate + NH(3) + NADPH. //