ELECTRON MICROSCOPY

Sample

BOVINE TRIC IN THE NUCLEOTIDE FREE STATE

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details LIQUID ETHEN
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 47151
Reported Resolution (Å) 10.5
Resolution Method ?
Other Details OUR MODELS DO NOT INCLUDE SOME REGIONS OF THE APICAL DOMAIN IN SEVERAL SUBUNITS, BECAUSE THE MAP IN THOSE REGIONS WAS NOT VERY WELL RESOLVED DUE TO THE DYNAMIC NATURE OF THOSE SUBUNITS. WE FITTED THE MODEL WITH THE OCCUPANCY REFINEMENT FEATURE IN DIREX. THIS BASICALLY DETERMINES WHETHER THERE IS SUFFICIENT DENSITY FOR EACH RESIDUE OR IF THERE IS REDUCED OR MISSING DENSITY. THE OCCUPANCY IS VALUE BETWEEN 0 AND 1. WE WROTE THIS VALUE INTO THE B-FACTOR COLUMN AS 100X(1-OCCUPANCY). THIS RESEMBLES A B-FACTOR BUT IS NOT EXACTLY THE SAME. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1960. (DEPOSITION ID: 10235).
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 18
Imaging Experiment
Date of Experiment 2008-10-20
Temprature (Kelvin)
Microscope Model JEOL 3200FSC
Minimum Defocus (nm) 1200
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 50000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details NONE
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details