ArticleBioEssays : news and reviews in molecular, cellular and developmental biology2022
Unexpected new insights into DNA clamp loaders: Eukaryotic clamp loaders contain a second DNA site for recessed 5' ends that facilitates repair and signals DNA damage: Eukaryotic clamp loaders contain a second DNA site for recessed 5' ends that facilitates repair and signals DNA damage.
Article in BioEssays : news and reviews in molecular, cellular and developmental biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 17 citations in OpenAlex.
- Mechanistic diversity of clamp loading at small DNA gaps.The Journal of biological chemistry · 2026Review
- The E. coli DnaX clamp loader sharply bends DNA to load β-clamp at nicks and small gaps.Molecular cell · 2026Article
- Article
- ThebioRxiv : the preprint server for biology · 2026Article
- PCNA encircling primer/template junctions is eliminated by exchange of RPA for Rad51: implications for the interplay between human DNA damage tolerance pathways.Nucleic acids research · 2026Article
- New groups of highly divergent proteins in families as old as cellular life with important biological functions in the ocean.Environmental microbiome · 2025Article
- Comprehensive analysis of RFC4 as a potential biomarker for regulating the immune microenvironment and predicting immune therapy response in lung adenocarcinoma.Frontiers in immunology · 2025Article
- Analysis of the correlation between RFC4 expression and tumor immune microenvironment and prognosis in patients with cervical cancer.Frontiers in genetics · 2025Article
- The human ATAD5 has evolved unique structural elements to function exclusively as a PCNA unloader.Nature structural & molecular biology · 2024Article
- Mechanism of PCNA loading by Ctf18-RFC for leading-strand DNA synthesis.Science (New York, N.Y.) · 2024Article
- Cryo-EM reveals a nearly complete PCNA loading process and unique features of the human alternative clamp loader CTF18-RFC.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Differences between bacteria and eukaryotes in clamp loader mechanism, a conserved process underlying DNA replication.The Journal of biological chemistry · 2024Article
- Structure of the PCNA unloader Elg1-RFC.Science advances · 2024Article
- Differences in clamp loader mechanism between bacteria and eukaryotes.bioRxiv : the preprint server for biology · 2023Article
- Structures of 9-1-1 DNA checkpoint clamp loading at gaps from start to finish and ramification on biology.Cell reports · 2023Article
- Structures of 9-1-1 DNA checkpoint clamp loading at gaps from start to finish and ramification to biology.bioRxiv : the preprint server for biology · 2023Article
- Unexpected new insights into DNA clamp loaders: Eukaryotic clamp loaders contain a second DNA site for recessed 5' ends that facilitates repair and signals DNA damage: Eukaryotic clamp loaders contain a second DNA site for recessed 5' ends that facilitates repair and signals DNA damage.BioEssays : news and reviews in molecular, cellular and developmental biology · 2022Article
Corrections and comments
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Authors and funding
3 authors at 3 institutions in 1 country.
Funding
Abstract
Clamp loaders are pentameric AAA+ assemblies that use ATP to open and close circular DNA sliding clamps around DNA. Clamp loaders show homology in all organisms, from bacteria to human. The eukaryotic PCNA clamp is loaded onto 3' primed DNA by the replication factor C (RFC) hetero-pentameric clamp loader. Eukaryotes also have three alternative RFC-like clamp loaders (RLCs) in which the Rfc1 subunit is substituted by another protein. One of these is the yeast Rad24-RFC (Rad17-RFC in human) that loads a 9-1-1 heterotrimer clamp onto a recessed 5' end of DNA. Recent structural studies of Rad24-RFC have discovered an unexpected 5' DNA binding site on the outside of the clamp loader and reveal how a 5' end can be utilized for loading the 9-1-1 clamp onto DNA. In light of these results, new studies reveal that RFC also contains a 5' DNA binding site, which functions in gap repair. These studies also reveal many new features of clamp loaders. As reviewed herein, these recent studies together have transformed our view of the clamp loader mechanism.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.