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- EMDB-36442: The cryo-EM structure of the nonameric RAD51 ring bound to the nu... -

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Basic information

Entry
Database: EMDB / ID: EMD-36442
TitleThe cryo-EM structure of the nonameric RAD51 ring bound to the nucleosome with the linker DNA binding
Map data
Sample
  • Complex: RAD51-nucleosome complex
    • Protein or peptide: Histone H3.1Histone H3
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A type 1-B/E
    • Protein or peptide: Histone H2B type 1-J
    • DNA: DNA (156-MER)
    • DNA: DNA (153-MER)
    • Protein or peptide: DNA repair protein RAD51 homolog 1
KeywordsNucleosome / Recombinase / DNA BINDING PROTEIN-DNA Complex
Function / homology
Function and homology information


presynaptic intermediate filament cytoskeleton / mitotic recombination-dependent replication fork processing / chromosome organization involved in meiotic cell cycle / cellular response to camptothecin / DNA recombinase assembly / telomere maintenance via telomere lengthening / positive regulation of DNA ligation / double-strand break repair involved in meiotic recombination / nuclear ubiquitin ligase complex / mitotic recombination ...presynaptic intermediate filament cytoskeleton / mitotic recombination-dependent replication fork processing / chromosome organization involved in meiotic cell cycle / cellular response to camptothecin / DNA recombinase assembly / telomere maintenance via telomere lengthening / positive regulation of DNA ligation / double-strand break repair involved in meiotic recombination / nuclear ubiquitin ligase complex / mitotic recombination / DNA strand invasion / cellular response to hydroxyurea / replication-born double-strand break repair via sister chromatid exchange / DNA strand exchange activity / lateral element / telomere maintenance via recombination / regulation of DNA damage checkpoint / Impaired BRCA2 binding to PALB2 / single-stranded DNA helicase 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 / HDR through Single Strand Annealing (SSA) / ATP-dependent DNA damage sensor activity / Impaired BRCA2 binding to RAD51 / regulation of double-strand break repair via homologous recombination / nuclear chromosome / DNA unwinding involved in DNA replication / replication fork processing / Transcriptional Regulation by E2F6 / Presynaptic phase of homologous DNA pairing and strand exchange / negative regulation of tumor necrosis factor-mediated signaling pathway / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / ATP-dependent activity, acting on DNA / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / interstrand cross-link repair / epigenetic regulation of gene expression / DNA polymerase binding / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / condensed chromosome / Deposition of new CENPA-containing nucleosomes at the centromere / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Inhibition of DNA recombination at telomere / Meiotic synapsis / telomere organization / RNA Polymerase I Promoter Opening / Interleukin-7 signaling / Assembly of the ORC complex at the origin of replication / SUMOylation of chromatin organization proteins / DNA methylation / Condensation of Prophase Chromosomes / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / Chromatin modifications during the maternal to zygotic transition (MZT) / SIRT1 negatively regulates rRNA expression / HCMV Late Events / meiotic cell cycle / PRC2 methylates histones and DNA / innate immune response in mucosa / condensed nuclear chromosome / male germ cell nucleus / Defective pyroptosis / HDACs deacetylate histones / cellular response to ionizing radiation / RNA Polymerase I Promoter Escape / Nonhomologous End-Joining (NHEJ) / lipopolysaccharide binding / Transcriptional regulation by small RNAs / double-strand break repair via homologous recombination / regulation of protein phosphorylation / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / NoRC negatively regulates rRNA expression / HDR through Homologous Recombination (HRR) / G2/M DNA damage checkpoint / B-WICH complex positively regulates rRNA expression / HDMs demethylate histones / DNA Damage/Telomere Stress Induced Senescence / PML body / Metalloprotease DUBs / PKMTs methylate histone lysines / RMTs methylate histone arginines / Meiotic recombination / Pre-NOTCH Transcription and Translation / nucleosome assembly / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events / Transcriptional regulation of granulopoiesis / structural constituent of chromatin / UCH proteinases
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 / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone H2A / Histone 2A / Histone H4, conserved site / Histone H4 signature. / Histone H4 / Histone H4 / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Histone H2A type 1-B/E / Histone H2B type 1-J / Histone H4 / Histone H3.1 / DNA repair protein RAD51 homolog 1
Similarity search - Component
Biological speciesHomo sapiens (human) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.66 Å
AuthorsShioi T / Hatazawa S / Ogasawara M / Takizawa Y / Kurumizaka H
Funding support Japan, 5 items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science (JSPS)JP22K06098 Japan
Japan Society for the Promotion of Science (JSPS)JP23H05475 Japan
Japan Agency for Medical Research and Development (AMED)JP23ama121009 Japan
Japan Science and TechnologyJPMJER1901 Japan
Japan Society for the Promotion of Science (JSPS)JP23K14134 Japan
CitationJournal: Nature / Year: 2024
Title: Cryo-EM structures of RAD51 assembled on nucleosomes containing a DSB site.
Authors: Takuro Shioi / Suguru Hatazawa / Eriko Oya / Noriko Hosoya / Wataru Kobayashi / Mitsuo Ogasawara / Takehiko Kobayashi / Yoshimasa Takizawa / Hitoshi Kurumizaka /
Abstract: RAD51 is the central eukaryotic recombinase required for meiotic recombination and mitotic repair of double-strand DNA breaks (DSBs). However, the mechanism by which RAD51 functions at DSB sites in ...RAD51 is the central eukaryotic recombinase required for meiotic recombination and mitotic repair of double-strand DNA breaks (DSBs). However, the mechanism by which RAD51 functions at DSB sites in chromatin has remained elusive. Here we report the cryo-electron microscopy structures of human RAD51-nucleosome complexes, in which RAD51 forms ring and filament conformations. In the ring forms, the N-terminal lobe domains (NLDs) of RAD51 protomers are aligned on the outside of the RAD51 ring, and directly bind to the nucleosomal DNA. The nucleosomal linker DNA that contains the DSB site is recognized by the L1 and L2 loops-active centres that face the central hole of the RAD51 ring. In the filament form, the nucleosomal DNA is peeled by the RAD51 filament extension, and the NLDs of RAD51 protomers proximal to the nucleosome bind to the remaining nucleosomal DNA and histones. Mutations that affect nucleosome-binding residues of the RAD51 NLD decrease nucleosome binding, but barely affect DNA binding in vitro. Consistently, yeast Rad51 mutants with the corresponding mutations are substantially defective in DNA repair in vivo. These results reveal an unexpected function of the RAD51 NLD, and explain the mechanism by which RAD51 associates with nucleosomes, recognizes DSBs and forms the active filament in chromatin.
History
DepositionJun 6, 2023-
Header (metadata) releaseMar 27, 2024-
Map releaseMar 27, 2024-
UpdateMay 8, 2024-
Current statusMay 8, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_36442.png

Downloads & links

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Map

FileDownload / File: emd_36442.map.gz / Format: CCP4 / Size: 83.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 280 pix.
= 296.8 Å		1.06 Å/pix.
x 280 pix.
= 296.8 Å		1.06 Å/pix.
x 280 pix.
= 296.8 Å

Surface

Projections

Slices (1/3)

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.06 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.00462
Minimum - Maximum-0.012602171 - 0.028121823
Average (Standard dev.)0.00020601781 (±0.0011435503)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions280280280
Spacing280280280
CellA=B=C: 296.8 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_36442_half_map_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_36442_half_map_2.map
Projections & Slices
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Histogram (log scale)

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Sample components

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Entire : RAD51-nucleosome complex

EntireName: RAD51-nucleosome complex
Components
  • Complex: RAD51-nucleosome complex
    • Protein or peptide: Histone H3.1Histone H3
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A type 1-B/E
    • Protein or peptide: Histone H2B type 1-J
    • DNA: DNA (156-MER)
    • DNA: DNA (153-MER)
    • Protein or peptide: DNA repair protein RAD51 homolog 1

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Supramolecule #1: RAD51-nucleosome complex

SupramoleculeName: RAD51-nucleosome complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#7
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Histone H3.1

MacromoleculeName: Histone H3.1 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.719445 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
GSHMARTKQT ARKSTGGKAP RKQLATKAAR KSAPATGGVK KPHRYRPGTV ALREIRRYQK STELLIRKLP FQRLVREIAQ DFKTDLRFQ SSAVMALQEA CEAYLVGLFE DTNLCAIHAK RVTIMPKDIQ LARRIRGERA

UniProtKB: Histone H3.1

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Macromolecule #2: Histone H4

MacromoleculeName: Histone H4 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.676703 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
GSHMSGRGKG GKGLGKGGAK RHRKVLRDNI QGITKPAIRR LARRGGVKRI SGLIYEETRG VLKVFLENVI RDAVTYTEHA KRKTVTAMD VVYALKRQGR TLYGFGG

UniProtKB: Histone H4

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Macromolecule #3: Histone H2A type 1-B/E

MacromoleculeName: Histone H2A type 1-B/E / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.447825 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
GSHMSGRGKQ GGKARAKAKT RSSRAGLQFP VGRVHRLLRK GNYSERVGAG APVYLAAVLE YLTAEILELA GNAARDNKKT RIIPRHLQL AIRNDEELNK LLGRVTIAQG GVLPNIQAVL LPKKTESHHK AKGK

UniProtKB: Histone H2A type 1-B/E

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Macromolecule #4: Histone H2B type 1-J

MacromoleculeName: Histone H2B type 1-J / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.217516 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
GSHMPEPAKS APAPKKGSKK AVTKAQKKDG KKRKRSRKES YSIYVYKVLK QVHPDTGISS KAMGIMNSFV NDIFERIAGE ASRLAHYNK RSTITSREIQ TAVRLLLPGE LAKHAVSEGT KAVTKYTSAK

UniProtKB: Histone H2B type 1-J

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Macromolecule #7: DNA repair protein RAD51 homolog 1

MacromoleculeName: DNA repair protein RAD51 homolog 1 / type: protein_or_peptide / ID: 7 / Number of copies: 9 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.291398 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: GSHMAMQMQL EANADTSVEE ESFGPQPISR LEQCGINAND VKKLEEAGFH TVEAVAYAPK KELINIKGIS EAKADKILAE AAKLVPMGF TTATEFHQRR SEIIQITTGS KELDKLLQGG IETGSITEMF GEFRTGKTQI CHTLAVTCQL PIDRGGGEGK A MYIDTEGT ...String:
GSHMAMQMQL EANADTSVEE ESFGPQPISR LEQCGINAND VKKLEEAGFH TVEAVAYAPK KELINIKGIS EAKADKILAE AAKLVPMGF TTATEFHQRR SEIIQITTGS KELDKLLQGG IETGSITEMF GEFRTGKTQI CHTLAVTCQL PIDRGGGEGK A MYIDTEGT FRPERLLAVA ERYGLSGSDV LDNVAYARAF NTDHQTQLLY QASAMMVESR YALLIVDSAT ALYRTDYSGR GE LSARQMH LARFLRMLLR LADEFGVAVV ITNQVVAQVD GAAMFAADPK KPIGGNIIAH ASTTRLYLRK GRGETRICKI YDS PCLPEA EAMFAINADG VGDAKD

UniProtKB: DNA repair protein RAD51 homolog 1

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Macromolecule #5: DNA (156-MER)

MacromoleculeName: DNA (156-MER) / type: dna / ID: 5 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 47.976699 KDa
SequenceString: (DA)(DT)(DC)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA)(DG) (DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA) (DT)(DT)(DG)(DG)(DT)(DC)(DG)(DT)(DA)(DG) (DA) (DC)(DA)(DG)(DC)(DT)(DC) ...String:
(DA)(DT)(DC)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA)(DG) (DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA) (DT)(DT)(DG)(DG)(DT)(DC)(DG)(DT)(DA)(DG) (DA) (DC)(DA)(DG)(DC)(DT)(DC)(DT)(DA) (DG)(DC)(DA)(DC)(DC)(DG)(DC)(DT)(DT)(DA) (DA)(DA) (DC)(DG)(DC)(DA)(DC)(DG)(DT) (DA)(DC)(DG)(DC)(DG)(DC)(DT)(DG)(DT)(DC) (DC)(DC)(DC) (DC)(DG)(DC)(DG)(DT)(DT) (DT)(DT)(DA)(DA)(DC)(DC)(DG)(DC)(DC)(DA) (DA)(DG)(DG)(DG) (DG)(DA)(DT)(DT)(DA) (DC)(DA)(DC)(DC)(DC)(DA)(DA)(DG)(DA)(DC) (DA)(DC)(DC)(DA)(DG) (DG)(DC)(DA)(DC) (DG)(DA)(DG)(DA)(DC)(DA)(DG)(DA)(DA)(DA) (DA)(DA)(DA)(DA)(DC)(DA) (DA)(DC)(DG) (DA)(DA)(DA)(DA)(DC)(DG)(DG)(DC)(DC)(DA) (DC)(DC)(DA)

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Macromolecule #6: DNA (153-MER)

MacromoleculeName: DNA (153-MER) / type: dna / ID: 6 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 47.37107 KDa
SequenceString: (DT)(DG)(DG)(DC)(DC)(DG)(DT)(DT)(DT)(DT) (DC)(DG)(DT)(DT)(DG)(DT)(DT)(DT)(DT)(DT) (DT)(DT)(DC)(DT)(DG)(DT)(DC)(DT)(DC) (DG)(DT)(DG)(DC)(DC)(DT)(DG)(DG)(DT)(DG) (DT) (DC)(DT)(DT)(DG)(DG)(DG) ...String:
(DT)(DG)(DG)(DC)(DC)(DG)(DT)(DT)(DT)(DT) (DC)(DG)(DT)(DT)(DG)(DT)(DT)(DT)(DT)(DT) (DT)(DT)(DC)(DT)(DG)(DT)(DC)(DT)(DC) (DG)(DT)(DG)(DC)(DC)(DT)(DG)(DG)(DT)(DG) (DT) (DC)(DT)(DT)(DG)(DG)(DG)(DT)(DG) (DT)(DA)(DA)(DT)(DC)(DC)(DC)(DC)(DT)(DT) (DG)(DG) (DC)(DG)(DG)(DT)(DT)(DA)(DA) (DA)(DA)(DC)(DG)(DC)(DG)(DG)(DG)(DG)(DG) (DA)(DC)(DA) (DG)(DC)(DG)(DC)(DG)(DT) (DA)(DC)(DG)(DT)(DG)(DC)(DG)(DT)(DT)(DT) (DA)(DA)(DG)(DC) (DG)(DG)(DT)(DG)(DC) (DT)(DA)(DG)(DA)(DG)(DC)(DT)(DG)(DT)(DC) (DT)(DA)(DC)(DG)(DA) (DC)(DC)(DA)(DA) (DT)(DT)(DG)(DA)(DG)(DC)(DG)(DG)(DC)(DC) (DT)(DC)(DG)(DG)(DC)(DA) (DC)(DC)(DG) (DG)(DG)(DA)(DT)(DT)(DC)(DT)(DG)(DA)(DT)

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 60.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

5nwl


Details: 5Y0C and 7OHC were also used.
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.66 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 63530
FSC plot (resolution estimation)

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