ELECTRON MICROSCOPY

Sample

COXSACKIEVIRUS A21/ICAM- 1KILIFI COMPLEX

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument REICHERT-JUNG PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details PLUNGED INTO ETHANE AT LIQUID NITROGEN TEMPERATURE
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 4704
Reported Resolution (Å) 8.000
Resolution Method ?
Other Details A B-FACTOR OF 589.46 WAS SET FOR ALL THE ATOMS BASED ON THE EQUATION OF -4*LN(0.1*RESOLUTION2) TO MIMIC A 8 ANGSTROM RESOLUTION CRYOEM STRUCTURE. OCCUPANCY OF 1.0 WAS SET FOR ALL ATOMS OF THE VIRAL CAPSID. OCCUPANCY OF 0.80, 0.56, 0.24, 0.16, AND 0.08 WAS SET FOR ATOMS OF ICAM-1 DOMAIN 1, 2, 3, 4, AND 5, RESPECTIVELY, BASED ON THE FITTING RESULTS. SEE DETAILS IN THE CITATION.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target BEST SUMF VALUE FIT USING THE PROGRAM EMFIT
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--RIGID BODY
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 26
Imaging Experiment
Date of Experiment 2001-03-15
Temprature (Kelvin)
Microscope Model FEI/PHILIPS CM300FEG/T
Minimum Defocus (nm) 700.00
Maximum Defocus (nm) 3000.00
Minimum Tilt Angle (degrees) 0.00
Maximum Tilt Angle (degrees) 0.00
Nominal CS 2.00
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 45000
Calibrated Magnification 47000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details SAMPLES WERE MAINTAINED AT LIQUID NITROGEN TEMPERATURES IN THE ELECTRON MICROSCOPE.
Imaging Experiment
Task Software Package Version
MODEL FITTING EMfit ?
RECONSTRUCTION EM3DR ?
RECONSTRUCTION PFT ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. REVERSED CTF WITH WEINER FACTOR FOR EACH PARTICLE