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Cryo-EM structure of human exportin-1 conjugated with selinexor and bound to yeast RAN-GTP and human ASB8-ELOB/C
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other experimental model PDB 6TVO experimental model PDB 3M1I
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.553 f_angle_d 0.514 f_chiral_restr 0.037 f_bond_d 0.003 f_plane_restr 0.003
Sample Quinary complex of full-length human XPO1 conjugated to selinexor and bound to RAN<sup>GTP</sup> and ASB8-ELOB/C Sample Components XPO1-ASB8-ELOB/C RAN-GTP
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 78241 Reported Resolution (Å) 3.25 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (6TVO, 3M1I) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value 173.58 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 GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 60
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 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL REFINEMENT PHENIX 1.19.1_4122:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1821140 template picking followed by Topaz picking