presynaptic intermediate filament cytoskeleton / mitotic recombination-dependent replication fork processing / cellular response to camptothecin / chromosome organization involved in meiotic cell cycle / telomere maintenance via telomere lengthening / positive regulation of DNA ligation / double-strand break repair involved in meiotic recombination / nuclear ubiquitin ligase complex / cellular response to hydroxyurea / replication-born double-strand break repair via sister chromatid exchange ...presynaptic intermediate filament cytoskeleton / mitotic recombination-dependent replication fork processing / cellular response to camptothecin / chromosome organization involved in meiotic cell cycle / telomere maintenance via telomere lengthening / positive regulation of DNA ligation / double-strand break repair involved in meiotic recombination / nuclear ubiquitin ligase complex / cellular response to hydroxyurea / replication-born double-strand break repair via sister chromatid exchange / lateral element / telomere maintenance via recombination / DNA recombinase assembly / regulation of DNA damage checkpoint / mitotic recombination / Impaired BRCA2 binding to PALB2 / DNA strand invasion / DNA strand exchange activity / reciprocal meiotic recombination / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Homologous DNA Pairing and Strand Exchange / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / Resolution of D-loop Structures through Holliday Junction Intermediates / single-stranded DNA helicase activity / ATP-dependent DNA damage sensor activity / HDR through Single Strand Annealing (SSA) / Impaired BRCA2 binding to RAD51 / regulation of double-strand break repair via homologous recombination / nuclear chromosome / replication fork processing / Transcriptional Regulation by E2F6 / DNA unwinding involved in DNA replication / Presynaptic phase of homologous DNA pairing and strand exchange / ATP-dependent activity, acting on DNA / interstrand cross-link repair / DNA polymerase binding / condensed chromosome / meiotic cell cycle / condensed nuclear chromosome / male germ cell nucleus / cellular response to ionizing radiation / regulation of protein phosphorylation / double-strand break repair via homologous recombination / HDR through Homologous Recombination (HRR) / PML body / Meiotic recombination / site of double-strand break / single-stranded DNA binding / double-stranded DNA binding / DNA recombination / chromosome, telomeric region / mitochondrial matrix / DNA repair / centrosome / DNA damage response / chromatin binding / chromatin / nucleolus / perinuclear region of cytoplasm / enzyme binding / ATP hydrolysis activity / protein-containing complex / mitochondrion / nucleoplasm / ATP binding / identical protein binding / nucleus / cytoplasm / cytosol Similarity search - Function
DNA recombination/repair protein Rad51 / DNA recombination and repair protein, RecA-like / DNA recombination and repair protein Rad51-like, C-terminal / Rad51 / DNA recombination and repair protein RecA, monomer-monomer interface / RecA family profile 2. / DNA recombination and repair protein RecA-like, ATP-binding domain / RecA family profile 1. / DNA repair Rad51/transcription factor NusA, alpha-helical / Helix-hairpin-helix domain ...DNA recombination/repair protein Rad51 / DNA recombination and repair protein, RecA-like / DNA recombination and repair protein Rad51-like, C-terminal / Rad51 / DNA recombination and repair protein RecA, monomer-monomer interface / RecA family profile 2. / DNA recombination and repair protein RecA-like, ATP-binding domain / RecA family profile 1. / DNA repair Rad51/transcription factor NusA, alpha-helical / Helix-hairpin-helix domain / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase Similarity search - Domain/homology
The Beijing Municipal Science & Technology Commission
Z161100000116034
China
National Institutes of Health/National Cancer Institute (NIH/NCI)
CA168635
United States
National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)
ES007061
United States
National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)
ES015252
United States
Citation
Journal: Nat Struct Mol Biol / Year: 2017 Title: Cryo-EM structures of human RAD51 recombinase filaments during catalysis of DNA-strand exchange. Authors: Jingfei Xu / Lingyun Zhao / Yuanyuan Xu / Weixing Zhao / Patrick Sung / Hong-Wei Wang / Abstract: The central step in eukaryotic homologous recombination (HR) is ATP-dependent DNA-strand exchange mediated by the Rad51 recombinase. In this process, Rad51 assembles on single-stranded DNA (ssDNA) ...The central step in eukaryotic homologous recombination (HR) is ATP-dependent DNA-strand exchange mediated by the Rad51 recombinase. In this process, Rad51 assembles on single-stranded DNA (ssDNA) and generates a helical filament that is able to search for and invade homologous double-stranded DNA (dsDNA), thus leading to strand separation and formation of new base pairs between the initiating ssDNA and the complementary strand within the duplex. Here, we used cryo-EM to solve the structures of human RAD51 in complex with DNA molecules, in presynaptic and postsynaptic states, at near-atomic resolution. Our structures reveal both conserved and distinct structural features of the human RAD51-DNA complexes compared with their prokaryotic counterpart. Notably, we also captured the structure of an arrested synaptic complex. Our results provide new insight into the molecular mechanisms of the DNA homology search and strand-exchange processes.
History
Deposition
Oct 8, 2016
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Header (metadata) release
Nov 2, 2016
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Map release
Dec 21, 2016
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Update
Mar 23, 2022
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Current status
Mar 23, 2022
Processing site: PDBj / Status: Released
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