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CI ring of daytime state KaiC
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7S66
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.3331 f_angle_d 0.4091 f_chiral_restr 0.0406 f_bond_d 0.0028 f_plane_restr 0.0026
Sample Hexameric KaiC protein
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 279379 Reported Resolution (Å) 3.35 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C6
Map-Model Fitting and Refinement Id 1 (7S66) Refinement Space REAL Refinement Protocol 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 FEI TALOS ARCTICA Minimum Defocus (nm) 500 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 36000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.5.3 CTF CORRECTION cryoSPARC 4.5.3 MODEL FITTING UCSF ChimeraX 1.9 MODEL REFINEMENT ISOLDE 1.9 MODEL REFINEMENT Coot 0.9.8.95 MODEL REFINEMENT PHENIX 1.21.2_5419 INITIAL EULER ASSIGNMENT cryoSPARC 4.5.3 FINAL EULER ASSIGNMENT cryoSPARC 4.5.3 CLASSIFICATION cryoSPARC 4.5.3 RECONSTRUCTION cryoSPARC 4.5.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2641605