ELECTRON MICROSCOPY

Sample

Ebola virus trimeric surface glycoprotein in complex with IgG c2G4 and c13C6 Fabs

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 86000
Reported Resolution (Å) 4.3
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 EMRinger
Overall B Value ?
Fitting Procedure ?
Details Model building and refinement were conducted using a combination of software programs. The refinement target was optimizing using the MolProbity score while maintaining a high (good) EMRinger score.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 57
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 22500
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION DoG Picker ?
IMAGE ACQUISITION Leginon ?
CTF CORRECTION CTFFIND3 ?
MODEL FITTING UCSF Chimera ?
MODEL FITTING MODELLER ?
MODEL FITTING Rosetta 2015.19
MODEL FITTING Coot 0.8.2
MODEL REFINEMENT Rosetta 2015.19
INITIAL EULER ASSIGNMENT RELION 1.4b1
FINAL EULER ASSIGNMENT RELION 1.4b1
CLASSIFICATION RELION 1.4b1
RECONSTRUCTION RELION 1.4b1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?