ELECTRON MICROSCOPY

Sample

Bacteriophage T4 baseplate tail tube assembly

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details ethane vitrification
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 945
Reported Resolution (Å) 12.0
Resolution Method ?
Other Details modified version of SPIDER program was used for the reconstruction
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol OTHER
Refinement Target Correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--Laplacian filtered real space
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment 2001-01-30
Temprature (Kelvin)
Microscope Model FEI/PHILIPS CM300FEG/T
Minimum Defocus (nm) 1200
Maximum Defocus (nm) 5000
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 2
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 45000
Calibrated Magnification 47000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING SITUS COLORES 2
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. CTF was corrected for individual particles