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Single particle cryo-EM structure of the Chaetomium thermophilum Nup192-Nic96-Nup53-Nup145N complex (Nup192 residues 1-1756; Nic96 residues 240-301; Nup53 31-67; Nup145N 616-683)
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.6132 f_angle_d 0.3455 f_chiral_restr 0.032 f_bond_d 0.0019 f_plane_restr 0.0017
Sample Nup192-Nic96-Nup53-Nup145N heterotetramer
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 484910 Reported Resolution (Å) 3.22 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 2 Refinement Space REAL REAL Refinement Protocol OTHER OTHER Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 100
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS 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 Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC MODEL FITTING UCSF Chimera INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC MODEL REFINEMENT PHENIX MODEL FITTING Coot MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2286858