ELECTRON MICROSCOPY

Sample

Enterobacteria phage T4

Specimen Preperation
Sample Aggregation State 2D ARRAY
Vitrification Instrument GATAN CRYOPLUNGE 3
Cryogen Name ETHANE
Sample Vitrification Details Blot for 8 seconds before plunging.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 18000
Reported Resolution (Å) 3.3
Resolution Method FSC 0.143 CUT-OFF
Other Details Independent refinement of even/odd map, gold standard
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 26
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 OTHER
Nominal Magnification 18000
Calibrated Magnification 18000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Data collection by Leginon
Imaging Experiment
Task Software Package Version
MODEL FITTING Coot ?
MODEL REFINEMENT PHENIX ?
FINAL EULER ASSIGNMENT EMAN, JSPR ?
CLASSIFICATION RELION ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING ONLY CTF amplitude correction was performed during 3D reconstruction.