3C92 | pdb_00003c92

Thermoplasma acidophilum 20S proteasome with a closed gate


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PMA 
experimental modelPDB 3C91 
Sample
T. acidophilum 20S proteasome
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameNITROGEN
Sample Vitrification DetailsVITROBOT
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles41546
Reported Resolution (Å)6.8
Resolution Method
Other DetailsGENERATED BY DOCKING THE ATOMIC STRUCTURE OF T. ACIDOPHILUM 20S (1PMA) INTO SINGLE PARTICLE CRYOEM 3D RECONSTRUCTION. TOGETHER WITH THE OPEN GATE (3C9 ...GENERATED BY DOCKING THE ATOMIC STRUCTURE OF T. ACIDOPHILUM 20S (1PMA) INTO SINGLE PARTICLE CRYOEM 3D RECONSTRUCTION. TOGETHER WITH THE OPEN GATE (3C91), IT SHOWS THE CONFORMATIONAL CHANGE BETWEEN CLOSED AND OPEN GATE.
Refinement Type
Symmetry TypePOINT
Point SymmetryD7
Map-Model Fitting and Refinement
Id1 (1PMA, 3C91)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCROSS CORRELATION
Overall B Value
Fitting Procedure
DetailsMETHOD--USING PROGRAM MAVE IN UPPSALA SOFTWARE FACTOR REFINEMENT PROTOCOL--RIGID BODY FITTING
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2005-12-01
Temperature (Kelvin)90
Microscope ModelFEI TECNAI F20
Minimum Defocus (nm)-1500
Maximum Defocus (nm)-3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification50000
Calibrated Magnification51159
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging DetailsLOW DOSE IMAGING
EM Software
TaskSoftware PackageVersion
RECONSTRUCTIONFREALIGN
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE AND AMPLITUDE