glycolate(out) + H(+)(out) => glycolate(in) + H(+)(in)
glycolate(out) + h(+)(out) => glycolate(in) + h(+)(in)
glycolate(out) + H(+)(out) => glycolate(in) + H(+)(in)
glycolate(out) + h(+)(out) => glycolate(in) + h(+)(in)