dAMP(out) + ADP(in) + H(+)(in) => dAMP(in) + ADP(out) + H(+)(out)
damp(out) + adp(in) + h(+)(in) => damp(in) + adp(out) + h(+)(out)
dAMP(out) + ADP(in) + H(+)(in) => dAMP(in) + ADP(out) + H(+)(out)
damp(out) + adp(in) + h(+)(in) => damp(in) + adp(out) + h(+)(out)