2-oxobutanoate + L-phenylalanine = (2S)-2-aminobutanoate + 3-phenylpyruvate
2-oxobutanoate + l-phenylalanine = (2s)-2-aminobutanoate + 3-phenylpyruvate
2-oxobutanoate + L-phenylalanine = (2S)-2-aminobutanoate + 3-phenylpyruvate
2-oxobutanoate + l-phenylalanine = (2s)-2-aminobutanoate + 3-phenylpyruvate