bis(5'-nucleosyl)-tetraphosphatase (asymmetrical) activity (Q21111489)
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.
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aliases GO:0004081
 diadenosine 5',5'''-P(1),P(4)-tetraphosphate asymmetrical hydrolase activity
 diadenosine P1,P4-tetraphosphatase activity
 P1,P4-bis(5'-nucleosyl)-tetraphosphate nucleotidohydrolase activity
 1-P,4-P-bis(5'-nucleosyl)-tetraphosphate nucleotidohydrolase activity
 dinucleosidetetraphosphatase (asymmetrical) activity
 dinucleoside tetraphosphatase activity
 diadenosine 5',5'''-P1,P4-tetraphosphate asymmetrical hydrolase activity
description 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.

External Links
(P686) GO:0004081