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Cryo-EM structure of human Pannexin1 resembling Pannexin2 pore with W74R/R75Dmutations
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6WBF
Sample Pannexin 1 (W74R/R75D)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 3.5 s single blot
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 80029 Reported Resolution (Å) 3.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C7
Map-Model Fitting and Refinement Id 1 (6WBF) Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Correlation coeficient Overall B Value 106.6 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 39.84
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode OTHER Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC v3 MODEL FITTING Coot 9.03 CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 3869579 selected through particle picking