ID 3.6.1.73 DE inosine/xanthosine triphosphatase. CA (1) H2O + ITP = H(+) + IDP + phosphate. CA (2) H2O + XTP = H(+) + phosphate + XDP. CC -!- The enzyme, characterized from the bacterium Escherichia coli, CC preferentially hydrolyzes inosine triphosphate and xanthosine CC triphosphate, which are formed by oxidative deamination damage. CC -!- By hydrolyzing these damaged nucleotides, the enzyme prevents their CC incorporation into RNA. DR Q9HIY2, COPP_THEAC ; Q97BQ0, COPP_THEVO ; Q9YDY1, NCPP_AERPE ; DR Q5E7E1, NCPP_ALIF1 ; B5FAQ4, NCPP_ALIFM ; O29361, NCPP_ARCFU ; DR A8MA42, NCPP_CALMQ ; A8ALW2, NCPP_CITK8 ; A7MIJ1, NCPP_CROS8 ; DR B7UR24, NCPP_ECO27 ; B7MNK3, NCPP_ECO45 ; B7LEP0, NCPP_ECO55 ; DR Q8XB14, NCPP_ECO57 ; C4ZT76, NCPP_ECOBW ; B1XFK4, NCPP_ECODH ; DR Q8FA41, NCPP_ECOL6 ; B1IS25, NCPP_ECOLC ; P39411, NCPP_ECOLI ; DR B6I6P2, NCPP_ECOSE ; A4W6B2, NCPP_ENT38 ; P39431, NCPP_ENTCL ; DR B2VH10, NCPP_ERWT9 ; Q9K7V3, NCPP_HALH5 ; P39430, NCPP_KLEAE ; DR B5Y265, NCPP_KLEP3 ; A6TI08, NCPP_KLEP7 ; B1L5W9, NCPP_KORCO ; DR Q0W5C7, NCPP_METAR ; Q57709, NCPP_METJA ; Q8TV89, NCPP_METKA ; DR O27919, NCPP_METTH ; Q8EP79, NCPP_OCEIH ; Q6D0A1, NCPP_PECAS ; DR C6DF26, NCPP_PECCP ; Q7N901, NCPP_PHOLL ; Q6LUG1, NCPP_PHOPR ; DR B4EY51, NCPP_PROMH ; Q8ZUF6, NCPP_PYRAE ; A4WJ90, NCPP_PYRAR ; DR A3MVS2, NCPP_PYRCJ ; A1RUC0, NCPP_PYRIL ; B1YBH2, NCPP_PYRNV ; DR Q97WI6, NCPP_SACS2 ; B5F542, NCPP_SALA4 ; A9MR95, NCPP_SALAR ; DR Q57G27, NCPP_SALCH ; B5FTD8, NCPP_SALDC ; B5R3B6, NCPP_SALEP ; DR B5R9W2, NCPP_SALG2 ; B4TH17, NCPP_SALHS ; B4T4I8, NCPP_SALNS ; DR Q5PK30, NCPP_SALPA ; A9N7F4, NCPP_SALPB ; C0Q8F4, NCPP_SALPC ; DR B5BAL0, NCPP_SALPK ; B4TU54, NCPP_SALSV ; P39432, NCPP_SALTY ; DR A8G9J3, NCPP_SERP5 ; A6WS92, NCPP_SHEB8 ; A9L1P1, NCPP_SHEB9 ; DR Q8EIC6, NCPP_SHEON ; A0L0M2, NCPP_SHESA ; Q0HM78, NCPP_SHESM ; DR Q0HRK8, NCPP_SHESR ; C3N0B6, NCPP_SULIA ; C4KJG4, NCPP_SULIK ; DR C3MJC4, NCPP_SULIL ; C3MTQ6, NCPP_SULIM ; C3NJ80, NCPP_SULIN ; DR C3N7X4, NCPP_SULIY ; Q96YP8, NCPP_SULTO ; Q5JJ32, NCPP_THEKO ; DR Q9KU27, NCPP_VIBCH ; C3LSV6, NCPP_VIBCM ; Q87S70, NCPP_VIBPA ; DR Q8DEU6, NCPP_VIBVU ; Q7MNK7, NCPP_VIBVY ; A1JJB7, NCPP_YERE8 ; DR A7FMF9, NCPP_YERP3 ; Q1C0L6, NCPP_YERPA ; B2K3K4, NCPP_YERPB ; DR Q8ZIP1, NCPP_YERPE ; A9R033, NCPP_YERPG ; Q1CMX3, NCPP_YERPN ; DR A4TQH6, NCPP_YERPP ; Q66EU4, NCPP_YERPS ; B1JL21, NCPP_YERPY ; //