ADP + ADP <=> AMP + ATP [AK2] (Xenopus tropicalis)
adp + adp <=> amp + atp [ak2] (xenopus tropicalis)
ADP + ADP <=> AMP + ATP [AK2] (Xenopus tropicalis)
adp + adp <=> amp + atp [ak2] (xenopus tropicalis)