ELECTRON MICROSCOPY

Sample

Classical and lectin pathway C3 convertase in complex with substrate C3

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 177801
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 FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS TALOS
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 130000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC v4.2.0/4
IMAGE ACQUISITION EPU 2.10.0
CTF CORRECTION cryoSPARC v4.2.0/4
MODEL FITTING UCSF ChimeraX 1.7
INITIAL EULER ASSIGNMENT cryoSPARC v4.2.0/4
FINAL EULER ASSIGNMENT cryoSPARC v4.2.0/4
CLASSIFICATION cryoSPARC v4.2.0/4
RECONSTRUCTION cryoSPARC v4.2.0/4
MODEL REFINEMENT PHENIX 2.21.1
MODEL REFINEMENT Coot 0.9.8.94
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
NONE ?
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