ELECTRON MICROSCOPY

Sample

T7 tail complex formed by proteins gp8, gp11 and gp12

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument LEICA EM CPC
Cryogen Name ETHANE
Sample Vitrification Details Samples were applied to grids for 1 minute, blotted and plunged into liquid ethane (LEICA EM CPC).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 1820
Reported Resolution (Å) 12
Resolution Method FSC
Other Details (Single particle--Applied symmetry: C6)
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Volumetric correlation
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--rigid body DETAILS--One monomer was manually fitted and then the oligomer was generated using SITUS program
Data Acquisition
Detector Type FEI EAGLE (4k x 4k)
Electron Dose (electrons/Å2) 10
Imaging Experiment
Date of Experiment 2012-11-08
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) 0.0
Maximum Tilt Angle (degrees) 0.0
Nominal CS 2.26
Imaging Mode BRIGHT FIELD
Specimen Holder Model GATAN LIQUID NITROGEN
Nominal Magnification 108696
Calibrated Magnification 108696
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION EMAN ?
RECONSTRUCTION SPIDER ?
RECONSTRUCTION Xmipp ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. each micrograph
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