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