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