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In situ structure average of GroEL14-GroES7 complexes with narrow GroEL7 trans ring conformation in Escherichia coli cytosol obtained by cryo electron tomography
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8P4M experimental model PDB 1KP8
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.8353 f_angle_d 0.6748 f_chiral_restr 0.0463 f_plane_restr 0.0045 f_bond_d 0.0038
Specimen Preparation Sample Aggregation State CELL Vitrification Instrument Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SUBTOMOGRAM AVERAGING Number of Particles 6681 Reported Resolution (Å) 13.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C7
Map-Model Fitting and Refinement Id 1 (8P4M, 1KP8) Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 3
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 2500 Maximum Defocus (nm) 5000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM MODEL FITTING UCSF Chimera 1.13.1 MODEL FITTING Coot 0.9.4.1 RECONSTRUCTION RELION MODEL REFINEMENT PHENIX 1.19.2-4158
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION