6B19
Architecture of HIV-1 reverse transcriptase initiation complex core
ELECTRON MICROSCOPY
Sample |
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HIV-1 reverse transcription initiation complex core |
Sample Components |
HIV-1 reverse transcriptase |
HIV-1 RNA genome fragment |
tRNA lysine3 primer |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | Blotted for 3.5 sec before plunging into liquid ethane. |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 128153 |
Reported Resolution (Å) | 4.5 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | BACKBONE TRACE | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | Main chain backbone for protein |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 70 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 1300 |
Maximum Defocus (nm) | 2500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
Nominal Magnification | 29000 |
Calibrated Magnification | 50000 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
CTF CORRECTION | CTFFIND4 | |
INITIAL EULER ASSIGNMENT | RELION | |
FINAL EULER ASSIGNMENT | RELION | |
CLASSIFICATION | RELION | |
RECONSTRUCTION | RELION | |
MODEL REFINEMENT | PHENIX |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 765688 |