3JCB
Structure of Simian Immunodeficiency Virus Envelope Spikes bound with CD4 and Monoclonal Antibody 36D5
ELECTRON MICROSCOPY
Sample |
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Simian immunodeficiency virus |
Sample Components |
SIV envelope bound to CD4 and monoclonal antibody 36D5 |
T-cell surface glycoprotein CD4 |
monoclonal antibody 36D5 |
Specimen Preparation | |
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Sample Aggregation State | CELL |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | Plunged into liquid ethane. |
3D Reconstruction | |
---|---|
Reconstruction Method | TOMOGRAPHY |
Number of Particles | 1181 |
Reported Resolution (Å) | |
Resolution Method | |
Other Details | (Subtomogram Averaging--Applied Symmetry: C1) |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (4NCO) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | TVIPS TEMCAM-F415 (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 100 |
Imaging Experiment | 1 |
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Date of Experiment | 2008-08-16 |
Temperature (Kelvin) | |
Microscope Model | FEI POLARA 300 |
Minimum Defocus (nm) | 4000 |
Maximum Defocus (nm) | 5000 |
Minimum Tilt Angle (degrees) | -65 |
Maximum Tilt Angle (degrees) | 65 |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | OTHER |
Nominal Magnification | 31000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
RECONSTRUCTION | I3 | |
RECONSTRUCTION | PROTOMO |