preferred_name: L-tryptophan(in) + L-phenylalanine(out) = L-tryptophan(out) + L-phenylalanine(in)
preferred_name_lc: l-tryptophan(in) + l-phenylalanine(out) = l-tryptophan(out) + l-phenylalanine(in)
label: L-tryptophan(in) + L-phenylalanine(out) = L-tryptophan(out) + L-phenylalanine(in)
label_lc: l-tryptophan(in) + l-phenylalanine(out) = l-tryptophan(out) + l-phenylalanine(in)