3DIK
Pseudo-atomic model of the HIV-1 CA hexameric lattice
ELECTRON CRYSTALLOGRAPHY
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 92.7 | α = 90 |
b = 92.7 | β = 90 |
c = 110 | γ = 120 |
Symmetry | |
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Space Group | P 6 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | electron | M | SINGLE WAVELENGTH |
Refinement
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 219 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms |
Sample |
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HIV-1 CA PROTEIN R18L MUTANT |
Sample Components |
HIV-1 CA HEXAMER |
HIV-1 CA DIMER |
Specimen Preparation | |
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Sample Aggregation State | 2D ARRAY |
Vitrification Instrument | |
Cryogen Name | ETHANE |
Sample Vitrification Details | Washed with 0.1M KCl, blotted briefly, and plunged into liquid ethane |
3D Reconstruction | |
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Reconstruction Method | CRYSTALLOGRAPHY |
Number of Particles | |
Reported Resolution (Å) | 9 |
Resolution Method | |
Other Details | THIS MODDEL CONTAINS CA ATOMS ONLY. THE TWO DOMAINS UNP RESIDUES 133-280 AND UNP RESIDUES 281-351 WERE ALLOWED TO MOVE INDEPENDENTLY. THAT IS WHY T ... |
Refinement Type | |
Symmetry Type | 2D CRYSTAL |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (1GWP, 1A43) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | REFINEMENT PROTOCOL--RIGID BODY |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) | 10 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | 90 |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 400 |
Maximum Defocus (nm) | 1500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | 40.3 |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 52000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 120 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
MODEL FITTING | SITUS COLACOR | |
MODEL FITTING | SITUS COLORES | |
RECONSTRUCTION | MRC |