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Band 3-I-TM local refinement from erythrocyte ankyrin-1 complex consensus reconstruction
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.568 f_angle_d 0.603 f_chiral_restr 0.042 f_plane_restr 0.007 f_bond_d 0.003
Sample Ankyrin complex mixture purified from digitonin-solubilized erythrocyte ghost membranes
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 4-6 seconds, wait time 30 seconds
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 226351 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 58
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 1500 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 Task Software Package Version IMAGE ACQUISITION Leginon CTF CORRECTION cryoSPARC 3 MODEL FITTING Coot 0.9.8 INITIAL EULER ASSIGNMENT cryoSPARC 3 FINAL EULER ASSIGNMENT cryoSPARC 3 RECONSTRUCTION cryoSPARC 3 MODEL REFINEMENT PHENIX 1.20.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Patch CTF (cryoSPARC v3) followed by per particle defocus refinement and refinement of higher order aberrations (cryoSPARC v3)