ELECTRON MICROSCOPY

Sample

CCT2(beta) subunit in the both-ring closed bovine TRiC complex

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details vitrification using ethane as cryogen
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 101000
Reported Resolution (Å) 4.0
Resolution Method ?
Other Details Single particle 3D reconstruction using EMAN1.8+ with our recently developed 2-D fast rotation matching method (FRM2D) for the image alignment.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details METHOD--Local refinement, Flexible fitting REFINEMENT PROTOCOL--Local refinement, Flexible fitting
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 18
Imaging Experiment
Date of Experiment 2007-08-01
Temprature (Kelvin)
Microscope Model JEOL 3200FSC
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 4.1
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 50000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING Coot ?
MODEL FITTING MODELLER ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION EMAN ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. FSC at 0.5 cut-off