7Z2E
Cryo-EM structure of NNRTI resistant M184I/E138K mutant HIV-1 reverse transcriptase with a DNA aptamer in complex with rilpivirine
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5HP1 |
Sample |
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NNRTI resistant M184I/E138K mutant HIV-1 reverse transcriptase with a DNA aptamer in complex with rilpivirine |
Sample Components |
HIV-1 REVERSE TRANSCRIPTASE P66 SUBUNIT with M184I mutation |
HIV-1 REVERSE TRANSCRIPTASE P51 SUBUNIT with E138K mutation |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | LEICA EM GP |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 259849 |
Reported Resolution (Å) | 3.45 |
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 (5HP1) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | Correlation coefficient | ||||
Overall B Value | 166.4 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | FEI FALCON III (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 40 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | TFS GLACIOS |
Minimum Defocus (nm) | 800 |
Maximum Defocus (nm) | 2200 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 150000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
PARTICLE SELECTION | RELION | 3.1 |
IMAGE ACQUISITION | EPU | 2.9.0 |
CTF CORRECTION | CTFFIND | 4 |
MODEL FITTING | Coot | |
INITIAL EULER ASSIGNMENT | RELION | 3.1 |
FINAL EULER ASSIGNMENT | RELION | 3.1 |
CLASSIFICATION | RELION | 3.1 |
RECONSTRUCTION | RELION | 3.1 |
MODEL REFINEMENT | PHENIX | 1.19.1 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
NONE | 1702421 |