FUNCTION: May catalyze the hydrolysis of nucleoside triphosphates including dGTP, dTTP, dCTP, their oxidized forms like 8-oxo-dGTP and the prodrug thiopurine derivatives 6-thio-dGTP and 6-thio-GTP (PubMed:26238318). Could also catalyze the hydrolysis of some nucleoside diphosphate derivatives (PubMe...
FUNCTION: May catalyze the hydrolysis of nucleoside triphosphates including dGTP, dTTP, dCTP, their oxidized forms like 8-oxo-dGTP and the prodrug thiopurine derivatives 6-thio-dGTP and 6-thio-GTP (PubMed:26238318). Could also catalyze the hydrolysis of some nucleoside diphosphate derivatives (PubMed:22556419, PubMed:26238318). Hydrolyzes oxidized nucleosides triphosphates like 8-oxo-dGTP in vitro, but the specificity and efficiency towards these substrates are low. Therefore, the potential in vivo sanitizing role of this enzyme, that would consist in removing oxidatively damaged forms of nucleosides to prevent their incorporation into DNA, is unclear (PubMed:26238318, PubMed:22556419). Through the hydrolysis of thioguanosine triphosphates may participate in the catabolism of thiopurine drugs (PubMed:26238318, PubMed:25108385). May also have a role in DNA synthesis and cell cycle progression by stabilizing PCNA (PubMed:19419956). Exhibits decapping activity towards dpCoA-capped RNAs in vitro (By similarity). {ECO:0000250|UniProtKB:Q8BG93, ECO:0000269|PubMed:19419956, ECO:0000269|PubMed:22556419, ECO:0000269|PubMed:25108385, ECO:0000269|PubMed:26238318}.
View more >>
GO - Biological processes (BP):
dGTP catabolic process [GO:0006203]; DNA protection [GO:0042262]; mitotic cell cycle [GO:0000278]; nucleobase-containing small molecule metabolic process [GO:0055086]; nucleoside phosphate catabolic process [GO:1901292]; purine nucleotide catabolic process [GO:0006195]; regulation of proteasomal pro...
dGTP catabolic process [GO:0006203]; DNA protection [GO:0042262]; mitotic cell cycle [GO:0000278]; nucleobase-containing small molecule metabolic process [GO:0055086]; nucleoside phosphate catabolic process [GO:1901292]; purine nucleotide catabolic process [GO:0006195]; regulation of proteasomal protein catabolic process [GO:0061136]; response to reactive oxygen species [GO:0000302]; xenobiotic catabolic process [GO:0042178]
View more >>
GO - Molecular function (MF):
8-oxo-7,8-dihydrodeoxyguanosine triphosphate pyrophosphatase activity [GO:0035539]; 8-oxo-7,8-dihydroguanosine triphosphate pyrophosphatase activity [GO:0008413]; 8-oxo-dGDP phosphatase activity [GO:0044715]; dTTP diphosphatase activity [GO:0036218]; metal ion binding [GO:0046872]; NADH pyrophosphat...
8-oxo-7,8-dihydrodeoxyguanosine triphosphate pyrophosphatase activity [GO:0035539]; 8-oxo-7,8-dihydroguanosine triphosphate pyrophosphatase activity [GO:0008413]; 8-oxo-dGDP phosphatase activity [GO:0044715]; dTTP diphosphatase activity [GO:0036218]; metal ion binding [GO:0046872]; NADH pyrophosphatase activity [GO:0035529]; nucleoside-triphosphate diphosphatase activity [GO:0047429]
View more >>
GO - Cellular component (CC):
cytosol [GO:0005829]...
cytosol [GO:0005829]
View more >>