7QVE

Spinach 20S proteasome


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6MSB 
Sample
Spinach 26S proteasome
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles951422
Reported Resolution (Å)3.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6MSB)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value109.9
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)8050
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC3.0
MODEL FITTINGUCSF Chimera8.6.9
MODEL FITTINGCoot0.9.5
MODEL REFINEMENTPHENIX1.18.2
INITIAL EULER ASSIGNMENTcryoSPARC3.0
FINAL EULER ASSIGNMENTcryoSPARC3.0
CLASSIFICATIONcryoSPARC3.0
RECONSTRUCTIONcryoSPARC3.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION951422