ADP + ATP + 2 H(+) => P(1),P(5)-bis(5'-adenosyl) pentaphosphate + H2O
adp + atp + 2 h(+) => p(1),p(5)-bis(5'-adenosyl) pentaphosphate + h2o
ADP + ATP + 2 H(+) => P(1),P(5)-bis(5'-adenosyl) pentaphosphate + H2O
adp + atp + 2 h(+) => p(1),p(5)-bis(5'-adenosyl) pentaphosphate + h2o