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Structural basis for dynamic regulation of the human 26S proteasome
Sample Human 26S proteasome holoenzyme
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 86420 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value 80 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 30
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI ARCTICA Minimum Defocus (nm) -1000 Maximum Defocus (nm) -3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 21000 Calibrated Magnification 28736 Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION DeepEM IMAGE ACQUISITION Legions 3.1 CTF CORRECTION RELION 1.3 CTF CORRECTION CTFFIND3 1 MODEL FITTING Coot 0.8 INITIAL EULER ASSIGNMENT EMAN 2 FINAL EULER ASSIGNMENT RELION 1.3 RECONSTRUCTION RELION 1.3 MODEL REFINEMENT PHENIX 10
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 528196