L-phenylalanine(in) + H(+)(in) = L-phenylalanine(out) + H(+)(out)
l-phenylalanine(in) + h(+)(in) = l-phenylalanine(out) + h(+)(out)
L-phenylalanine(in) + H(+)(in) = L-phenylalanine(out) + H(+)(out)
l-phenylalanine(in) + h(+)(in) = l-phenylalanine(out) + h(+)(out)