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A hexamer pore in the S-layer of Sulfolobus acidocaldarius formed by SlaA protein
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7ZCX
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.286 f_angle_d 0.676 f_chiral_restr 0.045 f_plane_restr 0.005 f_bond_d 0.002
Sample S-layer of Sulfolobus acidocaldarius
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SUBTOMOGRAM AVERAGING Number of Particles 2271 Reported Resolution (Å) 11.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 (7ZCX) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 2.02 2.02
Imaging Experiment 1 2 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS TFS TALOS Minimum Defocus (nm) 4000 4000 Maximum Defocus (nm) 6000 6000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 2.7 Imaging Mode BRIGHT FIELD BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN FIELD EMISSION GUN Acceleration Voltage (kV) 300 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION FEI tomography 4 CTF CORRECTION Warp 1.0.9 IMAGE ACQUISITION FEI tomography 4 FINAL EULER ASSIGNMENT Warp 1.0.9 RECONSTRUCTION Warp 1.0.9 MODEL REFINEMENT PHENIX 1.20.1_4487:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION