ELECTRON MICROSCOPY

Sample

HUMAN TFIID-TFIIA COMPLEX BOUND TO SUPER CORE PROMOTER DNA

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details LIQUID ETHANE
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 22050
Reported Resolution (Å) 8.5
Resolution Method ?
Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-3305. (DEPOSITION ID: 14001).
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 46
Imaging Experiment
Date of Experiment 2014-08-11
Temprature (Kelvin)
Microscope Model FEI TITAN
Minimum Defocus (nm) 2000
Maximum Defocus (nm) 4000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification ?
Calibrated Magnification 37879
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details THE CAMERA WAS OPERATED IN COUNTING MODE WITH A DOSE RATE OF 8 ELECTRONS PER PIXEL PER SECOND, WITH A TOTAL EXPOSURE TIME OF 10 SECONDS FRACTIONATED OVER 20 FRAMES.
Imaging Experiment
Task Software Package Version
CTF CORRECTION CTFFIND 4
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION Bsoft ?
RECONSTRUCTION RELION ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? EACH PARTICLE
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