ELECTRON MICROSCOPY

Sample

T4 portal protein gp20

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument GATAN CRYOPLUNGE 3
Cryogen Name ETHANE
Sample Vitrification Details Blot for 7 seconds before plunging into liquid ethane (GATAN CRYOPLUNGE 3).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 98000
Reported Resolution (Å) 3.6
Resolution Method FSC 0.143 CUT-OFF
Other Details FSC was calculated from two independent reconstructions. Particles were selected using an automatic selection program. (Single particle--Applied symmetry: C12)
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 (4k x 4k)
Electron Dose (electrons/Å2) 2
Imaging Experiment
Date of Experiment 2014-07-10
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 2500
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 29000
Calibrated Magnification 50000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. each particle