Dgtp triphosphohydrolase inhibitor

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August undefined, 2024

WebJan 22, 2024 · PA1124 from the pathogenic Pseudomonas aeruginosa bacterium functions as a dGTP and dTTP triphosphohydrolase. To reveal how PA1124 drives dNTP hydrolysis and is regulated, we performed a structural study of PA1124. ... Furthermore, bacteriophage T7 produces the gene 1.2 protein as an inhibitor of THP to efficiently infect E. coli cells …

dGTPase - Wikipedia

WebSep 25, 1993 · The dgt gene of Escherichia coli encodes a deoxyguanosine triphosphate triphosphohydrolase (dGTPase) that hydrolyzes dGTP to deoxyguanosine and tripolyphosphate. The enzyme is highly specific for dGTP which is hydrolyzed with a Km of 2-5 microM. Nitrocellulose filter binding assays demonstrate that, … WebEscherichia coli has a unique enzyme, deoxyguanosine triphosphate triphosphohydrolase (dGTPase) that cleaves dGTP into deoxyguanosine and tripolyphosphate. An E. coli … northern part of australia

Structural insight into dGTP-dependent activation of

WebMar 3, 2024 · T7 counteracts Dgt using an inhibitor, the gene 1.2 product (Gp1.2). This interaction is a useful model system for studying the ongoing evolutionary virus/host … Webing of the substrate dGTP and of the inhibitor gene 1.2 protein induce conformational changes in dGTPase. The conformation of the enzyme in the presence of ... triphosphate … WebNov 11, 2024 · Deoxynucleoside triphosphates (dNTPs) are the building blocks of DNA. As such, the pathways controlling their synthesis and degradation are strictly regulated. 1–3 … how to run a report in smartsheet

Two dNTP triphosphohydrolases from Pseudomonas aeruginosa …

GTP activator and dNTP substrates of HIV-1 restriction factor ... - PNAS

WebJan 22, 2024 · dNTP triphosphohydrolase (TPH) belongs to the histidine/aspartate (HD) superfamily and catalyzes the hydrolysis of dNTPs into 2′-deoxyribonucleoside and inorganic triphosphate. TPHs are required for cellular dNTP homeostasis and DNA replication fidelity and are employed as a host defense mechanism. PA1124 from the pathogenic … WebThe enzyme dGTPase (EC 3.1.5.1) catalyzes the reaction . dGTP + H 2 O deoxyguanosine + triphosphate. This enzyme belongs to the family of hydrolases, specifically those acting on triphosphoric monoester bonds. The systematic name is dGTP triphosphohydrolase.Other names in common use include deoxy-GTPase, deoxyguanosine 5-triphosphate … how to run arma 3 betterWebing of the substrate dGTP and of the inhibitor gene 1.2 protein induce conformational changes in dGTPase. The conformation of the enzyme in the presence of ... triphosphate triphosphohydrolase, EC 3.1.5.1) was first dis- covered by Kornberg et al. (1958) as a contaminant in E. coli DNA polymerase I preparations. The native enzyme, purified northern part of india

"WebApr 1, 1990 · The dgt gene lies immediately upstream of htrA and 6 kilobases from dapD, in the same region as the optA1 mutation. The dgt structural gene is 1515 base pairs, … " - Dgtp triphosphohydrolase inhibitor

Dgtp triphosphohydrolase inhibitor

The crystal structure of dGTPase reveals the molecular basis of dGTP ...

WebFeb 8, 2024 · Compared to the genome of the related phage, Hafnia phage Ca genome contains extra genes including DNA mimic ocr, dGTP triphosphohydrolase inhibitor, … The dNTPase activity of SAMHD1 is stimulated by dGTP24,25. dGTP, but not the other dNTPs, is also required for the formation/maintenance of the SAMHD1 tetramer (Fig. 1). A detailed view of the dGTP-binding site provides an explanation for the stabilization of the SAMHD1c′ tetramer by dGTP. Two dGTP … See more The SAM domain and its amino-terminal region are not required for tetramer formation or the dNTPase activity of SAMHD1 (refs 27, 28). However, SAMHD1c (120–626) … See more We have co-crystallized SAMHD1c′ with its dGTP/dATP substrates and solved the structure by the molecular replacement method, using 3U1N … See more To determine the importance for tetramer formation of dGTP/dATP binding in the allosteric site, we tested several SAMHD1 mutants. These … See more The substrate-binding pocket in the active site is formed by amino acids in the major lobe (Fig. 5b). Extensive interactions between the substrate dGTP and surrounding amino … See more

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WebOct 1, 1988 · In this report we show that the gene 1.2 protein is a specific inhibitor of the E. coli dGTPase. Gene 1.2 protein inhibits dGTPase activity by forming a complex with the … WebSep 25, 1988 · Both the binding of the substrate dGTP and of the inhibitor gene 1.2 protein induce conformational changes in dGTPase. The conformation of the enzyme in the …

WebApr 24, 2024 · In addition, we investigated substrate specificity by applying chemical cross-linking methods to introduce nucleotide substrates into the catalytic site of Ec-dGTPase crystals and obtained dGTP-, dGTP-1 … WebFeb 8, 2024 · Compared to the genome of the related phage, Hafnia phage Ca genome contains extra genes including DNA mimic ocr, dGTP triphosphohydrolase inhibitor, …

WebFeb 18, 2015 · The U.S. Department of Energy's Office of Scientific and Technical Information WebNucleotide hydrolases are known to hydrolyze not only noncanonical dNTPs to reduce the risk of mutation, but also canonical dNTPs to maintain the dNTP concentrations in the cell. dGTP triphosphohydrolase from Escherichia coli is known as an enzyme that hydrolyzes dGTP. Recently, we identified a triphosphohydrolase from Thermus thermophilus HB8 …

WebdGTP triphosphohydrolase inhibitor. Gene provides a unified query environment for genes defined by sequence and/or in NCBI's Map Viewer. 1.2 dGTP triphosphohydrolase inhibitor [] Gene ID: 6449878, updated on 2-Aug-2024. Summary. Other designations. dGTP triphosphohydrolase inhibitor ...

WebdGTP triphosphohydrolase inhibitor. Gene provides a unified query environment for genes defined by sequence and/or in NCBI's Map Viewer. 1.2 dGTP … northern part of europeWebDownload Table Data collection and refinement statistics for Dgt crystals with and without DNA from publication: Structure of Escherichia coli dGTP Triphosphohydrolase: A Hexameric Enzyme With ... northern part of elden ring mapWebIn 2001, Kicska et al. developed immucillin H, now better known as forodesine, as a small molecule PNP inhibitor (PNP-I). 4 The intention of the authors was to kill lymphocytes by elevating intracellular dG and consequently dGTP levels and to thereby eliminate leukemic cells. Forodesine was subsequently tested in clinical trials and was found ... northern parula ebirdWebSep 6, 2024 · Escherichia coli encodes a 2′-deoxyguanosine-5′-triphosphate (dGTP) triphosphohydrolase (dGTPase; Dgt), encoded by the dgt gene, which catalyzes the … northern part of japanWebJul 15, 2024 · Phage PZJ0206 and its host bacterium were successfully separated from the Pearl River sewage sample. TEM observation revealed that phage PZJ0206 has a slightly flattened icosahedral head with a diameter of approximately 45–63 nm and a short tail with a length of approximately 12 nm (Fig. 1).Based on these characteristics and the 8th report … how to run a rom on citraWebApr 20, 2016 · The bacteriophage T7 encoded inhibitor (gp1.2) of E. coli dGTP triphosphohydrolase. Released: 20 Apr 2016. DOI: 10.2210/pdb2mdp/pdb. Source organism: Escherichia phage T7. Entry authors: Mueller GA, London RE Function and Biology Details. ... Inhibitor of dGTPase Chain: A. northern parula habitatWebSep 16, 2013 · The bacteriophage T7 encoded inhibitor (gp1.2) of E. coli dGTP triphosphohydrolase northern parula audubon