9RDT | pdb_00009rdt

Structure of the RhGB07 Prefusion, Closed-state trimeric spike protein


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d8.1164
f_angle_d0.517
f_chiral_restr0.0457
f_plane_restr0.0028
f_bond_d0.0016
Sample
Trimeric RhGB07 Spike
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles17685
Reported Resolution (Å)2.97
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsNon-Uniform Refinement
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
DetailsModel was docked using Phenix EMPlace followed by manual building in Coot and phenix real space refine
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
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 Magnification96000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC3.3.2+220824
MODEL FITTINGPHENIX
INITIAL EULER ASSIGNMENTcryoSPARC3.3.2+220824
FINAL EULER ASSIGNMENTcryoSPARC3.3.2+220824
RECONSTRUCTIONcryoSPARC3.3.2+220824
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION