ADP(in) + diphosphate(out) => ADP(out) + diphosphate(in)
adp(in) + diphosphate(out) => adp(out) + diphosphate(in)
ADP(in) + diphosphate(out) => ADP(out) + diphosphate(in)
adp(in) + diphosphate(out) => adp(out) + diphosphate(in)