ELECTRON MICROSCOPY

Sample

sigma70 bound HK022 putRNA-associated E.coli RNA polymerase elongation complex

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details using two layers of blot papers
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 88700
Reported Resolution (Å) 3.61
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 42.16
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2600
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 3.3.1
PARTICLE SELECTION cryoSPARC 3.3.1
PARTICLE SELECTION cryoSPARC 3.3.1
IMAGE ACQUISITION EPU ?
CTF CORRECTION Gctf ?
MODEL FITTING Coot 0.9
MODEL REFINEMENT PHENIX 1.19.2
INITIAL EULER ASSIGNMENT cryoSPARC ?
FINAL EULER ASSIGNMENT RELION 3.1
CLASSIFICATION RELION 3.1
RECONSTRUCTION RELION 3.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?