preferred_name: bis(5'-nucleosyl)-tetraphosphatase (symmetrical) activity
preferred_name_lc: bis(5'-nucleosyl)-tetraphosphatase (symmetrical) activity
label: diadenosine 5',5'''-P1,P4-tetraphosphatase activity
label_lc: diadenosine 5',5'''-p1,p4-tetraphosphatase activity