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Structure of substrate engaged MIDN-bound human 26S proteasome, EB MIDN_UBL state (Composite map)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6MSE
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.265 f_angle_d 0.745 f_chiral_restr 0.047 f_bond_d 0.007 f_plane_restr 0.006
Sample Structure of MIDN-bound human 26S proteasome in substrate engaged state EB_MIDN_UBL
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 94665 Reported Resolution (Å) 2.94 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6mse) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1100 Maximum Defocus (nm) 2700 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 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM MODEL REFINEMENT PHENIX 1.21.1_5286: MODEL REFINEMENT Coot RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 471539