Dgtp triphosphohydrolase inhibitor
WebDownload 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 ... 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 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
Dgtp triphosphohydrolase inhibitor
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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 …
WebMay 7, 2024 · However, the mechanism behind dGTP selectivity is unclear. Here we present the free-, ligand (dGTP)- and inhibitor (GTP)-bound structures of hexameric Ec-dGTPase, including an X-ray free-electron laser structure of the free EcEc-dGTPase and SAMHD1 share similar active-site and HD motif architectures; however, Ec WebSep 16, 2013 · The bacteriophage T7 encoded inhibitor (gp1.2) of E. coli dGTP triphosphohydrolase
WebEscherichia coli has a unique enzyme, deoxyguanosine triphosphate triphosphohydrolase (dGTPase) that cleaves dGTP into deoxyguanosine and tripolyphosphate. An E. coli … 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
WebFeb 18, 2015 · The U.S. Department of Energy's Office of Scientific and Technical Information
WebJan 23, 2007 · Disclaimer Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional … unlit christmas tree sale spn27marWebSep 25, 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 dGTPase with an apparent stoichiometry of two monomers of gene 1.2 protein/tetramer of dGTPase. The interaction is reversible with a half-life of the complex of 30 min and an ... rechtsanwalt thomas franz frankfurtWebApr 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, encoding a protein of 59,315 daltons, in agreement with the size and N-terminal amino acid sequence of the purified protein. An E. coli strain containing a null allele has no … unlit christmas tree fullWebdGTP 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 ... unlit christmas corner swagsWebApr 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, … unlit blue light on thunderbolt solar panelsWebMar 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 … unlit christmas garland on saleWebApr 21, 2014 · The degradative dNTP triphosphohydrolase activity of the sterile α-motif/histidine-aspartate domain-containing protein 1 (SAMHD1) enzyme helps maintain optimal dNTP balances for DNA replication and also serves as an HIV-1 restriction factor in resting CD4 + target cells of HIV by depleting dNTP substrates of reverse transcriptase. … rechtsanwalt thomas lerche berlin