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Pannexin 1 lacking C-terminal activating domain
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6VD7
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 2.999 f_angle_d 0.528 f_chiral_restr 0.039 f_plane_restr 0.003 f_bond_d 0.002
Specimen Preparation 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 Reconstruction Method SINGLE PARTICLE Number of Particles 25322 Reported Resolution (Å) 2.9 Resolution Method FSC 0.143 CUT-OFF Other Details Reconstruction generated in Relion using 3D classification and 3D autorefinement Refinement Type Symmetry Type POINT Point Symmetry C7
Map-Model Fitting and Refinement Id 1 (6VD7) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 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 Task Software Package Version MODEL REFINEMENT PHENIX 1.21.1_5286:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 6416000 Particles picked with template picker in cryoSPARC and non-protein picks were purged using inspect particle picks