Key Publications University of Gothenburg
The kinetic mechanism by which the DNA repair helicase UvrD of Escherichia coli unwinds duplex DNA was examined with the use of a series of oligodeoxynucleotides with duplex regions ranging from 10 to 40 base pairs. Single-turnover unwinding experiments showed distinct lag phases that increased with duplex length because partially unwound DNA intermediate states are highly populated during UvrD exhibits modest processivity as a DNA helicase (40–50 bp) (53– 55) making this protein an interesting choice for the helicase responsible for the unwinding event in MMR. UvrD is also the helicase responsible for the unwinding event associated with excision repair ( 56 – 59 ), which requires unwinding of a short 12–13 base long oligonucleotide well within the limits of the processivity of UvrD. Background: The ability of UvrD, a DNA helicase, to unwind a Holliday junction has not been directly tested. Results: UvrD catalyzed robust unwinding of a Holliday junction producing a forked structure.
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References: UvrD-helicase 9288744 Major domain swiveling revealed by the crystal structures of complexes of E. coli Rep helicase bound to single-stranded DNA and ADP. Cell 1997;90:635-647. Psb28 11904154 Novel approach reveals localisation and assembly pathway of the PsbS and PsbW proteins into the photosystem II dimer. Uvrd Helicase on Facebookissa. Liity Facebookiin ja pidä yhteyttä käyttäjän Uvrd Helicase ja muiden tuttujesi kanssa.
Direct imaging of single UvrD helicase dynamics on long single-stranded DNA Kyung Suk Lee 1 , Hamza Balci 2 , Haifeng Jia 3 , Timothy M. Lohman 3 & Taekjip Ha 1,4 2012-11-21 · UvrD or DNA helicase II is a superfamily 1A helicase universally distributed across bacteria and extensively characterized . It has also been reported that UvrD and its homologues such as PcrA and Rep represent one family known as PUR family and are targets for drug discovery because the deletion of PcrA is lethal in Staphylococcal species and Bacillus subtilis  .
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Hamza Balci. Taekjip Ha. Kyung Lee. Haifeng Jia. Timothy Lohman.
Key Publications University of Gothenburg
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Lessons Learned from UvrD Helicase: Mechanism for Directional Movement. Atomic resolution structures of UvrD-like helicases complexed with DNA in the presence of AMPPNP, ADP·Pi, and Pi reveal several salient points that aid our understanding of mechanochemical coupling.
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Join Facebook to connect with Uvrd Helicase and others you may know. Facebook gives people the power to As P. falciparum contains only one homologue of indicated that heliquinomycin isolated from the culture broth of UvrD helicase and human lacks this helicase, detailed studies Streptomyces sp. MJ1929-SF2 was able to inhibit DNA helicases including cloning and characterization of UvrD helicase of from HeLa cells (Chino et al., 1996). UvrD helicase-RNA polymerase interactions are governed by UvrD's carboxy-terminal Tudor domain. Kawale, A.A., Burmann, B.M. (2020) Commun Biol 3: 607-607.
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… Helicase-dependent amplification (HDA) is an isothermal in vitro DNA amplification method based upon the coordinated actions of helicases to separate double-stranded DNA and DNA polymerases to synthesize DNA. Previously, a mesophilic form of HDA (mHDA) utilizing the Escherichia coli UvrD helicase, DNA polymerase I Klenow fragment, two accessory proteins, MutL and single-stranded DNA … 2012-03-09 UvrD helicase, but not Rep helicase, efficiently disrupts RecA–ssDNA nucleoprotein filament.
Contributors. 4 Nov 2009 Hexameric helicases unwind DNA or RNA duplexes using ATP as an energy source. Watch and listen as James Berger and Nathan Thomsen Before DNA replication actually begins, a special type of enzyme called DNA helicase must move along the double-stranded DNA molecule and locate a region 20 Feb 2013 DNA helicases can melt base pairs using the energy released during the process of binding, hydrolysis and release of ATP. DNA helicase travels 5 Oct 2015 Learn about DNA helicase and the role it plays in starting the process of DNA replication.This lesson also covers information on how DNA The DNA helicase UvrD (helicase II) protein plays an important role in nucleotide excision repair, mismatch repair, rolling circular plasmid replication, UvrD helicase-RNA polymerase interactions are governed by UvrD's carboxy-terminal Tudor domain. Kawale AA, Burmann BM. Commun Biol. P >tr|A9W9P7|A9W9P7_CHLAA UvrD/REP helicase OS=Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl) GN=Caur_1305 PE=4 SV=1 >tr|A0T0Q4|A0T0Q4_THAPS DNA replication helicase OS=Thalassiosira pseudonana >tr|B8C0C4|B8C0C4_THAPS UVRD/Rep like helicase (Fragment) 0, Formamidopyrimidine-DNA glycosylase. 116, CLS10264, n, Y, n, Y, Y, Y, n, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, UvrD/REP helicase family protein.