9OGB | pdb_00009ogb

Cryo-EM structure of human exportin-1 conjugated with selinexor and bound to yeast RAN-GTP and human ASB8-ELOB/C


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOther 
experimental modelPDB 6TVO 
experimental modelPDB 3M1I 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.553
f_angle_d0.514
f_chiral_restr0.037
f_bond_d0.003
f_plane_restr0.003
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 StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles78241
Reported Resolution (Å)3.25
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (6TVO, 3M1I)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value173.58
Fitting Procedure
DetailsInitial models were docked into maps using UCSF ChimeraX then manually built using Isolde and Coot and refined in PHENIX
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)900
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.19.1_4122:
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1821140template picking followed by Topaz picking