ELECTRON MICROSCOPY

Sample

Human alphaherpesvirus 1

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SUBTOMOGRAM AVERAGING
Number of Particles 46067
Reported Resolution (Å) 9.1
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 Cross correlation coefficient
Overall B Value 300
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 2.3
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2
Imaging Mode BRIGHT FIELD
Specimen Holder Model OTHER
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Additional Dataset collected using Titan Krios (FEI Thermo) at 300 kV with a 70 um C2 aperture and post-column QUANTUM energy filter operated in Zero-Loss mode using 20 eV energy slit and K2 Summit direct electron detector in counting mode (Gatan). Defocus range: 2300 - 4900 nm.
Imaging Experiment
Task Software Package Version
VOLUME SELECTION 3dmod ?
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION NOVACTF ?
CTF CORRECTION CTFPHASEFLIP ?
MODEL FITTING UCSF Chimera ?
FINAL EULER ASSIGNMENT PEET ?
RECONSTRUCTION PEET ?
MODEL REFINEMENT MDFF ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING ONLY ?