Claim: Alanopine dehydrogenase is in the oxidoreductases family and has four products,  L-alanine, pyruvate, nicotinamide adenine dinucleotide, and hydrogen ion.
Evidence: This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH group of donors with NAD+ or NADP+ as acceptor. Its 4 products are L-alanine, pyruvate, nicotinamide adenine dinucleotide, and hydrogen ion.