+ Open data
Open data
- Basic information
Basic information
| Entry | Database: EMDB / ID: EMD-30763 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Title | Liganded EGFR averaged cluster 23 | |||||||||
|  Map data | ||||||||||
|  Sample | 
 | |||||||||
| Biological species |  Homo sapiens (human) | |||||||||
| Method | electron tomography / cryo EM / Resolution: 15.0 Å | |||||||||
|  Authors | Purba ER / Saita EI / Akhouri RR / Ofverstedt LG / Wilken G / Skoglund U / Maruyama IN | |||||||||
|  Citation |  Journal: Front Endocrinol / Year: 2022 Title: Allosteric activation of preformed EGF receptor dimers by a single ligand binding event. Authors: Purba ER / Saita EI / Akhouri RR / Ofverstedt LG / Wilken G / Skoglund U / Maruyama IN | |||||||||
| History | 
 | 
- Structure visualization
Structure visualization
| Movie | 
 
  Movie viewer | 
|---|---|
| Structure viewer | EM map:  SurfView  Molmil  Jmol/JSmol | 
| Supplemental images | 
- Downloads & links
Downloads & links
-EMDB archive
| Map data |  emd_30763.map.gz | 4.3 MB |  EMDB map data format | |
|---|---|---|---|---|
| Header (meta data) |  emd-30763-v30.xml  emd-30763.xml | 12.2 KB 12.2 KB | Display Display |  EMDB header | 
| Images |  emd_30763.png | 15.2 KB | ||
| Archive directory |  http://ftp.pdbj.org/pub/emdb/structures/EMD-30763  ftp://ftp.pdbj.org/pub/emdb/structures/EMD-30763 | HTTPS FTP | 
-Validation report
| Summary document |  emd_30763_validation.pdf.gz | 315.7 KB | Display |  EMDB validaton report | 
|---|---|---|---|---|
| Full document |  emd_30763_full_validation.pdf.gz | 315.2 KB | Display | |
| Data in XML |  emd_30763_validation.xml.gz | 5.4 KB | Display | |
| Data in CIF |  emd_30763_validation.cif.gz | 6 KB | Display | |
| Arichive directory |  https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-30763  ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-30763 | HTTPS FTP | 
-Related structure data
| Related structure data | C: citing same article ( | 
|---|---|
| Similar structure data | 
- Links
Links
| EMDB pages |  EMDB (EBI/PDBe) /  EMDataResource | 
|---|
- Map
Map
| File |  Download / File: emd_30763.map.gz / Format: CCP4 / Size: 5.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
 
 Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 2.258 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Density | 
 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Details | EMDB XML: 
 CCP4 map header: 
 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
-Supplemental data
- Sample components
Sample components
-Entire : Liganded EGFR averaged cluster 23
| Entire | Name: Liganded EGFR averaged cluster 23 | 
|---|---|
| Components | 
 | 
-Supramolecule #1: Liganded EGFR averaged cluster 23
| Supramolecule | Name: Liganded EGFR averaged cluster 23 / type: complex / ID: 1 / Parent: 0 | 
|---|---|
| Source (natural) | Organism:  Homo sapiens (human) / Location in cell: membrane cell | 
| Molecular weight | Theoretical: 300 KDa | 
-Experimental details
-Structure determination
| Method | cryo EM | 
|---|---|
|  Processing | electron tomography | 
| Aggregation state | particle | 
- Sample preparation
Sample preparation
| Concentration | 0.2 mg/mL | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Buffer | pH: 8 Component: 
 | ||||||||
| Grid | Model: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 200 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec. | ||||||||
| Vitrification | Cryogen name: ETHANE / Chamber humidity: 85 % / Chamber temperature: 277.0 K / Instrument: FEI VITROBOT MARK IV | ||||||||
| Details | the sample was monodisperse | ||||||||
| Cryo protectant | No | ||||||||
| Sectioning | Other: NO SECTIONING | 
- Electron microscopy
Electron microscopy
| Microscope | FEI TITAN KRIOS | 
|---|---|
| Temperature | Min: 70.0 K / Max: 70.0 K | 
| Image recording | Film or detector model: FEI FALCON II (4k x 4k) / Detector mode: INTEGRATING / Number grids imaged: 1 / Number real images: 135 / Average exposure time: 1.8 sec. / Average electron dose: 90.0 e/Å2 | 
| Electron beam | Acceleration voltage: 300 kV / Electron source:  FIELD EMISSION GUN | 
| Electron optics | C2 aperture diameter: 100.0 µm / Calibrated defocus max: 1.5 µm / Calibrated defocus min: 1.0 µm / Calibrated magnification: 37000 / Illumination mode: OTHER / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 1.5 µm / Nominal defocus min: 1.0 µm / Nominal magnification: 37000 | 
| 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
Image processing
| Final reconstruction | Algorithm: BACK PROJECTION / Resolution.type: BY AUTHOR / Resolution: 15.0 Å / Resolution method: OTHER / Number images used: 141 | 
|---|
-Atomic model buiding 1
| Initial model | 
 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Refinement | Space: REAL / Protocol: FLEXIBLE FIT / Target criteria: Correlation coefficient | 
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