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Cryo-EM Structure of the Periplasmic Domain of AAA Protease FtsH
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7WI3
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.813 f_angle_d 0.547 f_chiral_restr 0.048 f_plane_restr 0.003 f_bond_d 0.002
Sample Periplasmic Domain of AAA Protease FtsH
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 9590 Reported Resolution (Å) 4.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C6
Map-Model Fitting and Refinement Id 1 (7wi3) Refinement Space 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) 61.3
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode OTHER Specimen Holder Model Nominal Magnification 130000 Calibrated Magnification Source OTHER Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION IMAGE ACQUISITION EPU CTF CORRECTION RELION MODEL FITTING MOLREP CLASSIFICATION RELION RECONSTRUCTION RELION MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1572084