L-dopa(in) + L-phenylalanine(out) => L-dopa(out) + L-phenylalanine(in)
l-dopa(in) + l-phenylalanine(out) => l-dopa(out) + l-phenylalanine(in)
L-dopa(in) + L-phenylalanine(out) => L-dopa(out) + L-phenylalanine(in)
l-dopa(in) + l-phenylalanine(out) => l-dopa(out) + l-phenylalanine(in)