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