adenosine 5'-tetraphosphate + H2O <=> phosphate + ATP + H(+)
adenosine 5'-tetraphosphate + h2o <=> phosphate + atp + h(+)
adenosine 5'-tetraphosphate + H2O <=> phosphate + ATP + H(+)
adenosine 5'-tetraphosphate + h2o <=> phosphate + atp + h(+)