8EOB

Cryo-EM structure of human HSP90B in the closed state


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.475
f_angle_d0.47
f_chiral_restr0.04
f_bond_d0.004
f_plane_restr0.003
Sample
HSP90B dimer in the closed AMPPNP bound state
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles440225
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Detailsmasked FSC resolution
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)1.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)900
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELIONV3.1.3
MODEL FITTINGUCSF Chimera
MODEL FITTINGNAMD
INITIAL EULER ASSIGNMENTRELION3.1.3
FINAL EULER ASSIGNMENTcisTEM1.0
CLASSIFICATIONcisTEM1.0
RECONSTRUCTIONcisTEM1.0
MODEL REFINEMENTPHENIX1.2
MODEL REFINEMENTCoot0.9.8.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE116639