2-oxobutanoate + L-alanine => (2S)-2-aminobutanoate + pyruvate
2-oxobutanoate + l-alanine => (2s)-2-aminobutanoate + pyruvate
2-oxobutanoate + L-alanine => (2S)-2-aminobutanoate + pyruvate
2-oxobutanoate + l-alanine => (2s)-2-aminobutanoate + pyruvate