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