+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-41357 | |||||||||
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Title | Cryo-EM structure of human full-length RAD52 | |||||||||
Map data | Sharpened map used for modeling | |||||||||
Sample |
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Keywords | DNA repair / RECOMBINATION | |||||||||
Function / homology | Function and homology information double-strand break repair via single-strand annealing / DNA double-strand break processing involved in repair via single-strand annealing / DNA recombinase assembly / mitotic recombination / regulation of nucleotide-excision repair / HDR through MMEJ (alt-NHEJ) / HDR through Single Strand Annealing (SSA) / SUMOylation of DNA damage response and repair proteins / protein-DNA complex / double-strand break repair via homologous recombination ...double-strand break repair via single-strand annealing / DNA double-strand break processing involved in repair via single-strand annealing / DNA recombinase assembly / mitotic recombination / regulation of nucleotide-excision repair / HDR through MMEJ (alt-NHEJ) / HDR through Single Strand Annealing (SSA) / SUMOylation of DNA damage response and repair proteins / protein-DNA complex / double-strand break repair via homologous recombination / double-strand break repair / single-stranded DNA binding / cellular response to oxidative stress / DNA recombination / protein-containing complex / DNA binding / nucleoplasm / identical protein binding / nucleus Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.5 Å | |||||||||
Authors | Schnicker NJ / Razzaghi M / Spies M | |||||||||
Funding support | United States, 2 items
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Citation | Journal: To Be Published Title: A double-ring of human RAD52 remodels replication forks restricting fork reversal Authors: Honda M / Razzaghi M | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_41357.map.gz | 91.4 MB | EMDB map data format | |
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Header (meta data) | emd-41357-v30.xml emd-41357.xml | 17.5 KB 17.5 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_41357_fsc.xml | 9.9 KB | Display | FSC data file |
Images | emd_41357.png | 202.4 KB | ||
Filedesc metadata | emd-41357.cif.gz | 6.1 KB | ||
Others | emd_41357_half_map_1.map.gz emd_41357_half_map_2.map.gz | 95.5 MB 95.5 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-41357 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-41357 | HTTPS FTP |
-Validation report
Summary document | emd_41357_validation.pdf.gz | 670.8 KB | Display | EMDB validaton report |
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Full document | emd_41357_full_validation.pdf.gz | 670.4 KB | Display | |
Data in XML | emd_41357_validation.xml.gz | 18.1 KB | Display | |
Data in CIF | emd_41357_validation.cif.gz | 23.1 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-41357 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-41357 | HTTPS FTP |
-Related structure data
Related structure data | 8tkqMC M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_41357.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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Annotation | Sharpened map used for modeling | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.8255 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: Half map 2
File | emd_41357_half_map_1.map | ||||||||||||
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Annotation | Half map 2 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map 1
File | emd_41357_half_map_2.map | ||||||||||||
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Annotation | Half map 1 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Sample components
-Entire : Human RAD52 undecameric structure
Entire | Name: Human RAD52 undecameric structure |
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Components |
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-Supramolecule #1: Human RAD52 undecameric structure
Supramolecule | Name: Human RAD52 undecameric structure / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 532 KDa |
-Macromolecule #1: DNA repair protein RAD52 homolog
Macromolecule | Name: DNA repair protein RAD52 homolog / type: protein_or_peptide / ID: 1 / Number of copies: 11 / Enantiomer: LEVO |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 48.40402 KDa |
Recombinant expression | Organism: Escherichia coli (E. coli) |
Sequence | String: MGSSHHHHHH SSGLVPRGSH MSGTEEAILG GRDSHPAAGG GSVLCFGQCQ YTAEEYQAIQ KALRQRLGPE YISSRMAGGG QKVCYIEGH RVINLANEMF GYNGWAHSIT QQNVDFVDLN NGKFYVGVCA FVRVQLKDGS YHEDVGYGVS EGLKSKALSL E KARKEAVT ...String: MGSSHHHHHH SSGLVPRGSH MSGTEEAILG GRDSHPAAGG GSVLCFGQCQ YTAEEYQAIQ KALRQRLGPE YISSRMAGGG QKVCYIEGH RVINLANEMF GYNGWAHSIT QQNVDFVDLN NGKFYVGVCA FVRVQLKDGS YHEDVGYGVS EGLKSKALSL E KARKEAVT DGLKRALRSF GNALGNCILD KDYLRSLNKL PRQLPLEVDL TKAKRQDLEP SVEEARYNSC RPNMALGHPQ LQ QVTSPSR PSHAVIPADQ DCSSRSLSSS AVESEATHQR KLRQKQLQQQ FRERMEKQQV RVSTPSAEKS EAAPPAPPVT HST PVTVSE PLLEKDFLAG VTQELIKTLE DNSEKWAVTP DAGDGVVKPS SRADPAQTSD TLALNNQMVT QNRTPHSVCH QKPQ AKSGS WDLQTYSADQ RTTGNWESHR KSQDMKKRKY DPS UniProtKB: DNA repair protein RAD52 homolog |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Concentration | 0.25 mg/mL | ||||||||||||
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Buffer | pH: 9 Component:
Details: 20 mM Tris pH 9, 200 mM KCl, 1 mM DTT | ||||||||||||
Grid | Model: UltrAuFoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: GOLD / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec. / Pretreatment - Atmosphere: AIR / Details: -15 mA | ||||||||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV | ||||||||||||
Details | Sample was made from frozen protein |
-Electron microscopy
Microscope | TFS KRIOS |
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Details | No tilt data and tilted data (30 deg) was collected at the same time and processed together |
Image recording | Film or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 2 / Number real images: 11288 / Average electron dose: 50.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | C2 aperture diameter: 70.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.2 µm / Nominal defocus min: 0.8 µm |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
+Image processing
-Atomic model buiding 1
Initial model | PDB ID: Chain - Source name: PDB / Chain - Initial model type: experimental model |
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Details | Initial fitting was done in Chimera followed by refinement with Namdinator and then PHENIX alone |
Refinement | Space: REAL / Protocol: FLEXIBLE FIT / Overall B value: 130.2 / Target criteria: Cross-correlation coefficient |
Output model | PDB-8tkq: |