+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-37003 | |||||||||
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Title | Metaphase ribosome | |||||||||
Map data | Metaphase ribosome | |||||||||
Sample |
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Keywords | Cell / RPE-1 / cytoplasm / ribosome / CYTOSOLIC PROTEIN | |||||||||
Biological species | Homo sapiens (human) | |||||||||
Method | subtomogram averaging / cryo EM / Resolution: 36.8 Å | |||||||||
Authors | Chen JK / Cai S / Liu T / Ruan W / Ng CT / Shi J / Surana U / Gan L | |||||||||
Funding support | Singapore, 1 items
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Citation | Journal: To Be Published Title: Nanoscale analysis of human G1 and metaphase chromatin in situ Authors: Chen JK / Liu T / Cai S / Ruan W / Ng CT / Shi J / Surana U / Gan L | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_37003.map.gz | 737.1 KB | EMDB map data format | |
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Header (meta data) | emd-37003-v30.xml emd-37003.xml | 14.1 KB 14.1 KB | Display Display | EMDB header |
Images | emd_37003.png | 94.5 KB | ||
Filedesc metadata | emd-37003.cif.gz | 4.4 KB | ||
Others | emd_37003_half_map_1.map.gz emd_37003_half_map_2.map.gz | 741.1 KB 740.6 KB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-37003 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-37003 | HTTPS FTP |
-Validation report
Summary document | emd_37003_validation.pdf.gz | 709.9 KB | Display | EMDB validaton report |
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Full document | emd_37003_full_validation.pdf.gz | 709.4 KB | Display | |
Data in XML | emd_37003_validation.xml.gz | 7.1 KB | Display | |
Data in CIF | emd_37003_validation.cif.gz | 8.2 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-37003 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-37003 | HTTPS FTP |
-Related structure data
Related structure data | C: citing same article (ref.) |
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-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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-Map
File | Download / File: emd_37003.map.gz / Format: CCP4 / Size: 1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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Annotation | Metaphase ribosome | ||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 6.766 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: Half map 1
File | emd_37003_half_map_1.map | ||||||||||||
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Annotation | Half map 1 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half map 2
File | emd_37003_half_map_2.map | ||||||||||||
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Annotation | Half map 2 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Sample components
-Entire : Nucleosome gyre proximal from RPE-1
Entire | Name: Nucleosome gyre proximal from RPE-1 |
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Components |
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-Supramolecule #1: Nucleosome gyre proximal from RPE-1
Supramolecule | Name: Nucleosome gyre proximal from RPE-1 / type: complex / ID: 1 / Parent: 0 |
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Source (natural) | Organism: Homo sapiens (human) / Organelle: Nucleus |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | subtomogram averaging |
Aggregation state | cell |
-Sample preparation
Buffer | pH: 7 |
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Vitrification | Cryogen name: ETHANE-PROPANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Specialist optics | Phase plate: VOLTA PHASE PLATE / Energy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV |
Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Detector mode: INTEGRATING / Digitization - Dimensions - Width: 5760 pixel / Digitization - Dimensions - Height: 4092 pixel / Number grids imaged: 1 / Average electron dose: 2.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Calibrated magnification: 30369 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 0.1 µm / Nominal defocus min: 0.1 µm / Nominal magnification: 18000 |
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
Final reconstruction | Applied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 36.8 Å / Resolution method: FSC 0.5 CUT-OFF / Software - Name: RELION (ver. 3.0.8) / Number subtomograms used: 332 |
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Extraction | Number tomograms: 4 / Number images used: 48849 / Reference model: Sphere / Method: Template matching |
Final 3D classification | Number classes: 1 / Software - Name: RELION (ver. 3.0.8) |
Final angle assignment | Type: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.0.8) |