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