8R1J
Structure of avian H5N1 influenza A polymerase dimer in complex with human ANP32B.
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
in silico model | AlphaFold | ||
experimental model | PDB | 6RR7 |
Sample |
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Structure of avian H5N1 influenza A polymerase dimer in complex with human ANP32B. |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 105000 |
Reported Resolution (Å) | 3.2 |
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 (6RR7) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | TFS FALCON 4i (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 50 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | TFS KRIOS |
Minimum Defocus (nm) | 5000 |
Maximum Defocus (nm) | 24000 |
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 | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
PARTICLE SELECTION | cryoSPARC | 4.2 |
IMAGE ACQUISITION | EPU | 3.14 |
CTF CORRECTION | cryoSPARC | 4.2 |
MODEL FITTING | UCSF ChimeraX | |
INITIAL EULER ASSIGNMENT | cryoSPARC | |
FINAL EULER ASSIGNMENT | cryoSPARC | 4.2 |
CLASSIFICATION | cryoSPARC | 4.2 |
RECONSTRUCTION | cryoSPARC | V4.2 |
MODEL REFINEMENT | Coot | 0.9.8.7 |
MODEL REFINEMENT | PHENIX | 1.20 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |