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Cryo-EM structure of yeast Exportin Msn5 bound to RanGTP and Pho4 (not modeled) (State 2-1)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3M1I in silico model SwissModel
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.953 f_angle_d 0.56 f_chiral_restr 0.038 f_bond_d 0.005 f_plane_restr 0.004
Sample Msn5-Gsp1-pPho4(1-200)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 102289 Reported Resolution (Å) 3.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (3M1I) 2 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3 MODEL FITTING UCSF ChimeraX INITIAL EULER ASSIGNMENT cryoSPARC 3 FINAL EULER ASSIGNMENT cryoSPARC 3 RECONSTRUCTION cryoSPARC 3 MODEL REFINEMENT PHENIX 1.21-5207 MODEL REFINEMENT Coot 0.9 MODEL REFINEMENT ISOLDE MODEL REFINEMENT UCSF ChimeraX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION