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Stable open sheep connexin-46 in amphipol at low pH
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7JKC
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.174 f_angle_d 0.71 f_chiral_restr 0.041 f_plane_restr 0.005 f_bond_d 0.003
Sample Dodecameric connexin-46 gap junction chanel complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 127102 Reported Resolution (Å) 2.7 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry D6
Map-Model Fitting and Refinement Id 1 (7jkc) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model SIDE ENTRY, EUCENTRIC Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v4.4.1 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC v4.4.1 MODEL FITTING PHENIX 1.21_5190 INITIAL EULER ASSIGNMENT cryoSPARC v4.4.1 FINAL EULER ASSIGNMENT cryoSPARC v4.4.1 CLASSIFICATION cryoSPARC v4.4.1 RECONSTRUCTION cryoSPARC v4.4.1 MODEL REFINEMENT PHENIX 1.21_5190
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 502309