dAMP(in) + phosphate(out) => dAMP(out) + phosphate(in)
damp(in) + phosphate(out) => damp(out) + phosphate(in)
dAMP(in) + phosphate(out) => dAMP(out) + phosphate(in)
damp(in) + phosphate(out) => damp(out) + phosphate(in)