Structure of the immature retroviral capsid at 8A resolution by cryo- electron microscopy
by helical reconstruction, at 7 A resolution

#1: Depositted structure unit, Made by Jmol
#2: Superimposing with simplified surface model of EM map, EMDB-2090, Made by Jmol
#3: Superimposing with EM 3D map: EMDB-2090, Made by UCSF CHIMERA
Entry | |
| Summary | |
| Database / ID | PORTEIN DATA BANK (PDB) / 4ard |
|---|---|
| Title | Structure of the immature retroviral capsid at 8A resolution by cryo- electron microscopy |
| Descriptor | CAPSID PROTEIN P27 |
| Keywords | VIRAL PROTEIN, RETROVIRUS, GAG |
| PDBj Mine pages | Summary, Structural Details, Experimental Details, Functional Details |
| Other databases | RCSB-PDB, PDBe, CATH, CE, FSSP, SCOP, VAST |
| Structure Visualization | |
| Movies | Movie Page#1: Depositted structure unit, Made by Jmol #2: Superimposing with simplified surface model of EM map, EMDB-2090, Made by Jmol #3: Superimposing with EM 3D map: EMDB-2090, Made by UCSF CHIMERA |
| Structure viewers | Yorodumi, jV4, Jmol, Biological unit (Images, jV) |
| Related Structure Data | |
| Related Entries |
Fit: target map of fitting |
| Similar strucutres (beta) |
List of similar structure data about Omokage system |
Article | |
| Citation - primary | |
| Article | Nature, Vol. 487, Page: 385 - , Year: 2012, |
|---|---|
| Title | Structure of the Immature Retroviral Capsid at 8A Resolution by Cryo-Electron Microscopy. |
| Authors | Bharat, T.A.M., Davey, N.E., Ulbrich, P., Riches, J.D., Marco, A.D., Rumlova, M., Sachse, C., Ruml, T., Briggs, J.A.G. |
| Links | DOI: 10.1038/NATURE11169 |
Components | |
| ID 1 : M-PMV DPRO CANC PROTEIN | |
| Image | ![]() ![]() |
|---|---|
| Description | CAPSID PROTEIN P27 |
| Type | polypeptide(L) |
| Fragment | M-PMV CA-NTD, RESIDUES 318-433 |
| Formula weight | 12885.351 Da |
| Number of molecules | 2 |
| ID | 1 |
| Source | Method: Isolated from a genetically manipulated source Gene: ID:11855, MASON-PFIZER MONKEY VIRUSHost: ID:562, ESCHERICHIA COLI |
| Links | UniProt: P07567, Sequence view |
Sample | |
| Assembly | |
| Aggregation state | FILAMENT |
|---|---|
| Name | M-PMV CANC GAG TUBES |
| Buffer | |
| Name | 100MM NACL, 50MM TRIS-HCL, 1UM ZN |
| Experiment | |
| Reconstruction method | HELICAL |
| Specimen type | VITREOUS ICE CRYOEM |
| Sample preparation | |
| pH | 7.7 |
| Sample support | |
| Details | HOLEY CARBON |
| Vitrification | |
| Details | LIQUID ETHANE |
| Experiment | |
| Method | ELECTRON MICROSCOPY |
Electron Microscopy | |
| Imaging | |
| Microscope | Model: OTHER |
|---|---|
| Date | 2011-07-05 |
| Electron gun | |
| Electron source | FIELD EMISSION GUN |
| Accelerating voltage | 300 kV |
| Electron dose | 0.2 e/A**2 |
| Illumination mode | LOW DOSE |
| Lens | |
| Mode | BRIGHT FIELD |
| Magnification | Nominal: 47000 X |
| Cs | Nominal: 2.7 mm |
| Nominal defocus | Max: 4000 nm, Min: 1000 nm |
| Detector | |
| Type | KODAK SO163 FILM |
| Image scans | |
| Number digital images | 46 |
Processing | |
| 2D projection selection | |
| Software name | SPIDER, AV3 |
|---|---|
| 3D reconstruction | |
| Actual pixel size | 1.53 A/pix |
| CTF correction method | DIVISION BY 3D CTF SQ |
| Details | HELICAL RECONSTRUCTION WITH 3D ASYMMETRIC UNIT AVERAGING SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2090. (DEPOSITION ID: 10768). |
| Method | HELICAL RECONSTRUCTION WITH 3D ASYMMETRIC UNIT AVERAGING |
| Nominal pixel size | 1.53 A/pix |
| Resolution | 7 A |
| 3D fitting | |
| Method | RIGID BODY |
| Refinement Protocol | NMR |
| Refinement Space | REAL |
| 3D fitting list | |
| 3D fitting id | 1 |
| PDB entry ID | 2KGF |
| Refine | |
| Refine id | ELECTRON MICROSCOPY |
| Ls d res high | 7.00 A |
| Refine hist | |
| Cycle id | LAST |
| Refine id | ELECTRON MICROSCOPY |
| D res high | 7.00 |
| Total atoms | 232 |
| Protein atoms | 232 |
Download | |||
| PDB format | |||
| All | pdb4ard.ent.gz pdb4ard.ent (uncompressed file) | ||
|---|---|---|---|
| Header only | pdb4ard.ent.gz | ||
| mmCIF format | |||
| mmCIF | 4ard.cif.gz | ||
| XML format | |||
| All | 4ard.xml.gz | ||
| No-atom | 4ard-noatom.xml.gz | ||
| Ext-atom | 4ard-extatom.xml.gz | ||
| Movie files | |||
| movie #1 |
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| movie #2 |
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| movie #3 |
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