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Ancestral Group II Chaperonin (ACII) Double-Ring in Closed Conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 8.45 f_angle_d 0.896 f_chiral_restr 0.049 f_plane_restr 0.006 f_bond_d 0.005
Sample Ancestral Group II Chaperonin (ACII)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 39180 Reported Resolution (Å) 3.69 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry D8
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 38
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA 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 Nominal Magnification 120000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Xmipp 3.0 MODEL REFINEMENT PHENIX 1.20.1_4487: CTF CORRECTION Gctf 3.0 INITIAL EULER ASSIGNMENT cryoSPARC 4.0 INITIAL EULER ASSIGNMENT RELION 5.0 FINAL EULER ASSIGNMENT cryoSPARC 4.0 CLASSIFICATION RELION 5.0 RECONSTRUCTION cryoSPARC 4.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2474620