heme b(in) + ATP + H2O <=> heme b(out) + ADP + phosphate + H(+)
heme b(in) + atp + h2o <=> heme b(out) + adp + phosphate + h(+)
heme b(in) + ATP + H2O <=> heme b(out) + ADP + phosphate + H(+)
heme b(in) + atp + h2o <=> heme b(out) + adp + phosphate + h(+)