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 3LOS | pdb_00003los

Atomic Model of Mm-cpn in the Closed State


ELECTRON MICROSCOPY
Sample
Mm-cpn with 1mM ATP/AlFx
Sample Components
Methanococcus maripaludis chaperonin
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles
Reported Resolution (Å)4.3
Resolution MethodFSC 0.5 CUT-OFF
Other DetailsTHE SINGLE SUBUNIT MODEL OF MM-CPN WAS MANUALLY BUILT IN THE CRYO-EM DENSITY USING COOT. THE ENTIRE 16-SUBUNIT COMPLEX WAS GENERATED BASED ON THE D8 ...THE SINGLE SUBUNIT MODEL OF MM-CPN WAS MANUALLY BUILT IN THE CRYO-EM DENSITY USING COOT. THE ENTIRE 16-SUBUNIT COMPLEX WAS GENERATED BASED ON THE D8 SYMMETRY.
Refinement Type
Symmetry TypePOINT
Point SymmetryD8
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
DetailsDETAILS--THE SINGLE SUBUNIT MODEL OF MM-CPN WAS MANUALLY BUILT IN THE CRYO-EM DENSITY USING COOT. THE ENTIRE 16-SUBUNIT COMPLEX WAS GENERATED BASED O ...DETAILS--THE SINGLE SUBUNIT MODEL OF MM-CPN WAS MANUALLY BUILT IN THE CRYO-EM DENSITY USING COOT. THE ENTIRE 16-SUBUNIT COMPLEX WAS GENERATED BASED ON THE D8 SYMMETRY.
Data Acquisition
Detector TypeGATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)100
Microscope ModelJEOL 3200FSC
Minimum Defocus (nm)1000
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS4.1
Imaging ModeBRIGHT FIELD
Specimen Holder ModelJEOL 3200FSC CRYOHOLDER
Nominal Magnification80000
Calibrated Magnification112000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
RECONSTRUCTIONEMAN
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
Each micrograph