ELECTRON MICROSCOPY

Sample

INTEGRIN ALPHAIIBBETA3 IN LIPID BILAYER NANODISC

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument ?
Cryogen Name ?
Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- NONE, INSTRUMENT- NONE,
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 25008
Reported Resolution (Å) 20.5
Resolution Method ?
Other Details INITIAL MODEL FROM RANDOM CONICAL TILT FOLLOWED BY REFERENCE BASED REFINEMENT PDB FILE 3FCS WAS SPLIT INTO 20 SUBDOMAINS. THESE SUBDOMAINS WERE MANUALLY FITTED INTO THE EM VOLUME SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2281. (DEPOSITION ID: 11378).
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details METHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector Type GENERIC TVIPS (4k x 4k)
Electron Dose (electrons/Å2) 13
Imaging Experiment
Date of Experiment 2010-02-01
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 1200
Maximum Defocus (nm) 1500
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 50
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 29000
Calibrated Magnification 50592
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 120
Imaging Details LOW DOSE PACKAGE USED. CCD MAGNIFICATION IS 1.76 TIMES FILM MAGNIFICATION
Imaging Experiment
Task Software Package Version
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details