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Cryo-EM structure of human exportin-1 conjugated with FR-027*
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.394 f_angle_d 0.441 f_chiral_restr 0.034 f_plane_restr 0.003 f_bond_d 0.002
Sample Full-length human XPO1 conjugated to FR-027*
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 630291 Reported Resolution (Å) 2.95 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (9OG9) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value 179.36 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) 50
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 2.7 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 EPU CTF CORRECTION cryoSPARC MODEL FITTING UCSF ChimeraX MODEL FITTING ISOLDE MODEL FITTING Coot INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC 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 1867386 blob picking followed by Topaz picking