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Cryo-EM structure of human exportin-1 conjugated with selinexor and bound to human ASB8(R197A)-ELOB/C
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other experimental model PDB 6V9H in silico model AlphaFold AF-Q9H765-F1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.9 f_angle_d 0.452 f_chiral_restr 0.034 f_plane_restr 0.004 f_bond_d 0.003
Sample Ternary complex of full-length human XPO1 conjugated to KPT-185 and bound to ASB8(R197A)-ELOB/C
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 433178 Reported Resolution (Å) 2.49 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value 102.26 Fitting Procedure Details Initial models were docked into maps using UCSF ChimeraX then manually built using Isolde and Coot and refined in PHENIX
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 55
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 165000 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 ChimeraX MODEL FITTING ISOLDE MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 3582585 blob picking followed by template picking