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Information on EC 3.6.1.73 - inosine/xanthosine triphosphatase

for references in articles please use BRENDA:EC3.6.1.73

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IUBMB Comments

The enzyme, characterized from the bacterium Escherichia coli, preferentially hydrolyses inosine triphosphate and xanthosine triphosphate, which are formed by oxidative deamination damage. By hydrolysing these damaged nucleotides, the enzyme prevents their incorporation into RNA.

The enzyme appears in viruses and cellular organisms

Synonyms
inosine/xanthosine triphosphatase, itpase/xtpase, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
inosine 5'-triphosphate + H2O = inosine 5'-diphosphate + phosphate
show the reaction diagram
(1)
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xanthosine 5'-triphosphate + H2O = xanthosine 5'-diphosphate + phosphate
show the reaction diagram
(2)
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PATHWAY SOURCE
PATHWAYS
Highest Expressing Human Cell Lines
Cell Line Links Gene Links