ID 1.4.1.19 DE Tryptophan dehydrogenase. AN L-Trp-dehydrogenase. AN L-tryptophan dehydrogenase. AN TrpDH. CA L-tryptophan + NAD(P)(+) = (indol-3-yl)pyruvate + NH(3) + NAD(P)H. CF Calcium. //