in the reductive secondary amine-forming reaction with nadh as a cofactor , the enzyme utilized l-amino acids such as l-methionine , l-isoleucine , l-valine , l-phenylalanine , l-leucine , l-alanine , and l-threonine as amino donors and alpha-keto acids such as pyruvate , oxaloacetate , glyoxylate , and alpha-ketobutyrate as amino acceptors .
C0002520
amino
C0001898
l-alanine