9FSS

ELECTRON MICROSCOPY

Sample

RNA Polymerase III Class III Open Mini Pre-Initiation complex 2

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 13256
Reported Resolution (Å) 4.14
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type TFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2500
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 130000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details FEI Titan Krios G4 (operating at 300 KeV)
Imaging Experiment
Task Software Package Version
CTF CORRECTION CTFFIND 4.1.4
MODEL REFINEMENT PHENIX dev_5246
INITIAL EULER ASSIGNMENT cryoSPARC 4.3.1
INITIAL EULER ASSIGNMENT RELION 4.0
FINAL EULER ASSIGNMENT cryoSPARC 4.3.1
FINAL EULER ASSIGNMENT RELION 4.0
CLASSIFICATION cryoSPARC 4.3.1
RECONSTRUCTION RELION 4.0
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?