ELECTRON MICROSCOPY

Sample

Complex of STLV-1 MarB43 integrase with nascent viral DNA and the human PP2A B56 subunit

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 161921
Reported Resolution (Å) 3.34
Resolution Method FSC 0.143 CUT-OFF
Other Details 3D reconstruction, including Bayesian particle polishing, CTF and beam tilt refinement, as implemented in Relion-3.1, resulted in the final map with minimal anisotropy; 3D-FSC sphericity index of the final map was 0.967.
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 31.31
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 50.4
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
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 Gautomatch ?
CTF CORRECTION Gctf 1.06
MODEL FITTING UCSF Chimera 1.12
MODEL FITTING NAMD Namdinator
MODEL FITTING Coot 0.8.9.2
MODEL REFINEMENT PHENIX 1.18-3845
MODEL REFINEMENT Coot 0.8.9.2
INITIAL EULER ASSIGNMENT cryoSPARC 2
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 ?