8S8I

ELECTRON MICROSCOPY

Sample

Structure of a yeast 48S-AUC preinitiation complex in closed conformation

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 26818
Reported Resolution (Å) 4.30
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol OTHER
Refinement Target FSC
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 30
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 59000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL REFINEMENT PHENIX 1.20.1_4487:
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?