bis(5'-nucleosyl)-tetraphosphatase (asymmetrical) activity
bis(5'-nucleosyl)-tetraphosphatase (asymmetrical) activity
diadenosine 5',5'''-P(1),P(4)-tetraphosphate asymmetrical hydrolase activity
diadenosine 5',5'''-p(1),p(4)-tetraphosphate asymmetrical hydrolase activity