1.4.1.19 tryptophan dehydrogenase - 1.4.1.2 glutamate dehydrogenase - 1.4.1.20 phenylalanine dehydrogenase - 1.4.1.21 aspartate dehydrogenase - 1.4.1.23 valine dehydrogenase (NAD+) - 1.4.1.24 3-dehydroquinate synthase II - 1.4.1.25 L-arginine dehydrogenase - 1.4.1.26 2,4-diaminopentanoate dehydrogenase (NAD+) - 1.4.1.27 glycine cleavage system - 1.4.1.28 secondary-alkyl amine dehydrogenase [NAD(P)+] -