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) = glycolate(out) + h(+)(out)