GO:0004081

bis(5'-nucleosyl)-tetraphosphatase (asymmetrical) activity

Details: 
Catalysis of the reaction: P(1),P(4)-bis(5'-nucleosyl)tetraphosphate + H2O = NTP + NMP. Acts on bis(5'-guanosyl)-, bis(5'-xanthosyl)-, bis(5'-adenosyl)- and bis(5'-uridyl)-tetraphosphate. [EC:3.6.1.17, PMID:4955726]
Evidence Code: 
ISS