L-phenylalanine(out) + glycine(in) = L-phenylalanine(in) + glycine(out)
l-phenylalanine(out) + glycine(in) = l-phenylalanine(in) + glycine(out)
L-phenylalanine(out) + glycine(in) = L-phenylalanine(in) + glycine(out)
l-phenylalanine(out) + glycine(in) = l-phenylalanine(in) + glycine(out)