Search Results - "WILLIAMS, R. Scott"
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Molecular mechanisms of topoisomerase 2 DNA–protein crosslink resolution
Published in Cellular and molecular life sciences : CMLS (01-01-2020)“…The compaction of DNA and the continuous action of DNA transactions, including transcription and DNA replication, create complex DNA topologies that require…”
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Introduction to the multi-author-review: emerging advances in the structural chemistry of DNA strand break repair
Published in Cellular and molecular life sciences : CMLS (01-01-2020)“…DNA strand breaks present a complex challenge for our cells, and the integrity of the DNA damage response machinery is critical for preventing cancer,…”
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CtIP/Ctp1/Sae2, molecular form fit for function
Published in DNA repair (01-08-2017)“…Vertebrate CtIP, and its fission yeast (Ctp1), budding yeast (Sae2) and plant (Com1) orthologs have emerged as key regulatory molecules in cellular responses…”
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Deficiency of terminal ADP-ribose protein glycohydrolase TARG1/C6orf130 in neurodegenerative disease
Published in The EMBO journal (02-05-2013)“…Adenosine diphosphate (ADP)‐ribosylation is a post‐translational protein modification implicated in the regulation of a range of cellular processes. A family…”
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High-fidelity DNA ligation enforces accurate Okazaki fragment maturation during DNA replication
Published in Nature communications (20-01-2021)“…DNA ligase 1 (LIG1, Cdc9 in yeast) finalizes eukaryotic nuclear DNA replication by sealing Okazaki fragments using DNA end-joining reactions that strongly…”
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ZATT (ZNF451)–mediated resolution of topoisomerase 2 DNA-protein cross-links
Published in Science (American Association for the Advancement of Science) (29-09-2017)“…Topoisomerase 2 (TOP2) DNA transactions proceed via formation of the TOP2 cleavage complex (TOP2cc), a covalent enzyme-DNA reaction intermediate that is…”
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The three-component helicase/primase complex of herpes simplex virus-1
Published in Open biology (09-06-2021)“…Herpes simplex virus type 1 (HSV-1) is one of the nine herpesviruses that infect humans. HSV-1 encodes seven proteins to replicate its genome in the hijacked…”
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APE2 Zf-GRF facilitates 3′-5′ resection of DNA damage following oxidative stress
Published in Proceedings of the National Academy of Sciences - PNAS (10-01-2017)“…The Xenopus laevis APE2 (apurinic/apyrimidinic endonuclease 2) nuclease participates in 3′-5′ nucleolytic resection of oxidative DNA damage and activation of…”
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High fidelity DNA ligation prevents single base insertions in the yeast genome
Published in Nature communications (09-10-2024)“…Finalization of eukaryotic nuclear DNA replication relies on DNA ligase 1 (LIG1) to seal DNA nicks generated during Okazaki Fragment Maturation (OFM). Using a…”
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Structure-specific roles for PolG2–DNA complexes in maintenance and replication of mitochondrial DNA
Published in Nucleic acids research (13-10-2023)“…Abstract The homodimeric PolG2 accessory subunit of the mitochondrial DNA polymerase gamma (Pol γ) enhances DNA binding and processive DNA synthesis by the…”
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Regulatory control of DNA end resection by Sae2 phosphorylation
Published in Nature communications (01-10-2018)“…DNA end resection plays a critical function in DNA double-strand break repair pathway choice. Resected DNA ends are refractory to end-joining mechanisms and…”
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Proteolytic Degradation of Topoisomerase II (Top2) Enables the Processing of Top2·DNA and Top2·RNA Covalent Complexes by Tyrosyl-DNA-Phosphodiesterase 2 (TDP2)
Published in The Journal of biological chemistry (27-06-2014)“…Eukaryotic type II topoisomerases (Top2α and Top2β) are homodimeric enzymes; they are essential for altering DNA topology by the formation of normally…”
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Ctp1 protein–DNA filaments promote DNA bridging and DNA double-strand break repair
Published in The Journal of biological chemistry (01-03-2019)“…The Ctp1 protein in Schizosaccharomyces pombe is essential for DNA double-strand break (DSB) repair by homologous recombination. Fission yeast Ctp1 and its…”
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Two-tiered enforcement of high-fidelity DNA ligation
Published in Nature communications (28-11-2019)“…DNA ligases catalyze the joining of DNA strands to complete DNA replication, recombination and repair transactions. To protect the integrity of the genome, DNA…”
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Selectable high‐yield recombinant protein production in human cells using a GFP/YFP nanobody affinity support
Published in Protein science (01-06-2018)“…Recombinant protein expression systems that produce high yields of pure proteins and multi‐protein complexes are essential to meet the needs of biologists,…”
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An autoinhibitory role for the GRF zinc finger domain of DNA glycosylase NEIL3
Published in The Journal of biological chemistry (13-11-2020)“…The NEIL3 DNA glycosylase maintains genome integrity during replication by excising oxidized bases from single-stranded DNA (ssDNA) and unhooking interstrand…”
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Structures of DNA-bound human ligase IV catalytic core reveal insights into substrate binding and catalysis
Published in Nature communications (06-07-2018)“…DNA ligase IV (LigIV) performs the final DNA nick-sealing step of classical nonhomologous end-joining, which is critical for immunoglobulin gene maturation and…”
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Recognition and repair of chemically heterogeneous structures at DNA ends
Published in Environmental and molecular mutagenesis (01-01-2015)“…Exposure to environmental toxicants and stressors, radiation, pharmaceutical drugs, inflammation, cellular respiration, and routine DNA metabolism all lead to…”
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Nbs1 Flexibly Tethers Ctp1 and Mre11-Rad50 to Coordinate DNA Double-Strand Break Processing and Repair
Published in Cell (02-10-2009)“…The Nijmegen breakage syndrome 1 (Nbs1) subunit of the Mre11-Rad50-Nbs1 (MRN) complex protects genome integrity by coordinating double-strand break (DSB)…”
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ABC ATPase signature helices in Rad50 link nucleotide state to Mre11 interface for DNA repair
Published in Nature structural & molecular biology (01-04-2011)“…Rad50 is an ABC-type ATPase that forms a complex with the nuclease Mre11 and plays an essential role in the signaling and repair of DNA damage. Now crystal…”
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