9BZ8
Pannexin 1 containing C-terminal activating domain
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 6VD7 |
Sample |
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frog pannexin 1 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | Grid was blotted for 4 seconds with a force of 7 before plunging into liquid ethane. |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 31614 |
Reported Resolution (Å) | 3 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | Reconstructed in RELION using 3D classification and autorefinement |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C7 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (6VD7) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 50 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TALOS ARCTICA |
Minimum Defocus (nm) | 8000 |
Maximum Defocus (nm) | 20000 |
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 | 81000 |
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 | 4.0 |
IMAGE ACQUISITION | EPU | |
CTF CORRECTION | cryoSPARC | 4.0 |
CTF CORRECTION | RELION | 4.0 |
MODEL FITTING | Coot | 0.8.9.1 |
INITIAL EULER ASSIGNMENT | RELION | 4.0 |
FINAL EULER ASSIGNMENT | RELION | 4.0 |
CLASSIFICATION | RELION | 4 |
RECONSTRUCTION | RELION | 4.0-beta |
MODEL REFINEMENT | PHENIX | 1.21.1-5286 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | Particles picked with template picker and inspect particle picks was deployed to remove non-protein picks |