L-tryptophan + pyruvate = indole-3-pyruvate + L-alanine
l-tryptophan + pyruvate = indole-3-pyruvate + l-alanine
L-tryptophan + pyruvate = indole-3-pyruvate + L-alanine
l-tryptophan + pyruvate = indole-3-pyruvate + l-alanine