ELECTRON MICROSCOPY

Sample

Rad52 decamer

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 46845
Reported Resolution (Å) 3.5
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 AB INITIO MODEL
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details Initial model was built de novo in ModelAngelo tool. the best-looking subunit was real space refined in Phenix, followed by manual building in Coot. Later C10 symmetry was applied, and real space refined in Phenix.
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 50.7
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS GLACIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 150000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 3.2.0
IMAGE ACQUISITION EPU ?
CTF CORRECTION cryoSPARC 3.2.0
MODEL FITTING Coot 0.9.3
CLASSIFICATION cryoSPARC 3.2.0
RECONSTRUCTION cryoSPARC 3.2.0
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
NONE ?