AMP + ATP + 2 H(+) => P(1),P(4)-bis(5'-adenosyl) tetraphosphate + H2O
amp + atp + 2 h(+) => p(1),p(4)-bis(5'-adenosyl) tetraphosphate + h2o
AMP + ATP + 2 H(+) => P(1),P(4)-bis(5'-adenosyl) tetraphosphate + H2O
amp + atp + 2 h(+) => p(1),p(4)-bis(5'-adenosyl) tetraphosphate + h2o