6B43

CryoEM structure and atomic model of the Kaposi's sarcoma-associated herpesvirus capsid


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.325
f_angle_d1.119
f_chiral_restr0.059
f_bond_d0.008
f_plane_restr0.008
Sample
Human herpesvirus 8
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsThe sample was manually blotted and frozen with a homemade plunger.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles25315
Reported Resolution (Å)4.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)25
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)2000
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification14000
Calibrated Magnification24271
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONETHAN
IMAGE ACQUISITIONLeginon
CTF CORRECTIONCTFFIND3
INITIAL EULER ASSIGNMENTIMIRS
FINAL EULER ASSIGNMENTIMIRS
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION44343Particles were boxed with ETHAN, and then manually examined.