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Cryo-EM structure of the 20S Alpha 3 Deletion proteasome core particle in complex with FUB1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.378 f_angle_d 0.512 f_chiral_restr 0.043 f_plane_restr 0.004 f_bond_d 0.003
Sample 20S proteasome from alpha3delta proteasome mutant in complex with Silencing boundary-establishment protein FUB1
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 56059 Reported Resolution (Å) 2.97 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 REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 53.85
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 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 81000 Calibrated Magnification 47169 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM 3.8.6 CTF CORRECTION RELION 3.1.1 MODEL FITTING Coot 0.93 MODEL FITTING ISOLDE 1.0b4.dev0 MODEL FITTING UCSF Chimera 1.15 MODEL REFINEMENT PHENIX 1.191-1.19.2-4158 FINAL EULER ASSIGNMENT cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 953049