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