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