9CEG | pdb_00009ceg

20S Proteasome core particle beta-T1A mutant resting state (Frame 20)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d3.0146
f_angle_d0.3987
f_chiral_restr0.0415
f_plane_restr0.0034
f_bond_d0.0015
Sample
20S Proteasome core particle beta-T1A mutant ON state (Frame 20)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles147239
Reported Resolution (Å)2.86
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsThe particles used are D7 symmetry expanded and the number of particles mentioned is after symmetry expansion.
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1250
Maximum Defocus (nm)2750
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
MODEL REFINEMENTPHENIXdev_5316
INITIAL EULER ASSIGNMENTcryoSPARC4
FINAL EULER ASSIGNMENTcryoSPARC4
RECONSTRUCTIONcryoSPARC4
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION