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