3-hydroxy-L-kynurenine(out) + L-tryptophan(in) = 3-hydroxy-L-kynurenine(in) + L-tryptophan(out)
3-hydroxy-l-kynurenine(out) + l-tryptophan(in) = 3-hydroxy-l-kynurenine(in) + l-tryptophan(out)
3-hydroxy-L-kynurenine(out) + L-tryptophan(in) = 3-hydroxy-L-kynurenine(in) + L-tryptophan(out)
3-hydroxy-l-kynurenine(out) + l-tryptophan(in) = 3-hydroxy-l-kynurenine(in) + l-tryptophan(out)