6XHJ

Cryo-EM structure of octadecameric TF55 (beta-only) complex from S. solfataricus bound to ATP


ELECTRON MICROSCOPY
Sample
ATP-bound Octadecameric TF55 beta-subunit chaperonin
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details3.5 uL drop with 5 s blotting
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles53777
Reported Resolution (Å)3.62
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD9
Map-Model Fitting and Refinement
Id1 (4XCD)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TECNAI ARCTICA
Minimum Defocus (nm)
Maximum Defocus (nm)
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)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONTopaz
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC2.12.0
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTcryoSPARC2.12.0
FINAL EULER ASSIGNMENTcryoSPARC2.12.0
RECONSTRUCTIONcryoSPARC2.12.0
MODEL REFINEMENTPHENIX
MODEL REFINEMENTISOLDE
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION213286