4-methylsulfanyl-2-oxobutanoate + L-alanine => D-methionine + pyruvate
4-methylsulfanyl-2-oxobutanoate + l-alanine => d-methionine + pyruvate
4-methylsulfanyl-2-oxobutanoate + L-alanine => D-methionine + pyruvate
4-methylsulfanyl-2-oxobutanoate + l-alanine => d-methionine + pyruvate