ELECTRON MICROSCOPY


Sample

Dimer of BrxC-BrxB fusion complexed with PglZ

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 195504
Reported Resolution (Å) 6.94
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 Initial model consisted of a fusion of N-terminal BrxC and BrxB complexed with PglZ. The entire model was initially placed into the volume using the ChimeraX Fit in Map tool. Individual domains were then manually rotated/translated into the volume and adjusted with Fit in Map. The interface between BrxB and PglZ was preserved by treating the N-terminal domain of PglZ as part of the fusion. The model was then minimally refined with ISOLDE to resolve bond distortions from rigid domain fitting.
Data Acquisition
Detector Type GATAN K3 (6k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS GLACIOS
Minimum Defocus (nm) 800
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 ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.5.3
PARTICLE SELECTION cryoSPARC 4.5.3
CTF CORRECTION cryoSPARC 4.5.3
MODEL FITTING ISOLDE ?
MODEL FITTING UCSF ChimeraX 1.1
INITIAL EULER ASSIGNMENT cryoSPARC 4.5.3
INITIAL EULER ASSIGNMENT cryoSPARC 4.5.3
FINAL EULER ASSIGNMENT cryoSPARC 4.5.3
RECONSTRUCTION cryoSPARC 4.5.3
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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