2XEA
4.6 ANGSTROM CRYO-EM RECONSTRUCTION OF TOBACCO MOSAIC VIRUS FROM IMAGES RECORDED AT 300 KEV ON A 4KX4K CCD CAMERA
ELECTRON MICROSCOPY
Sample |
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TOBACCO MOSAIC VIRUS |
Specimen Preparation | |
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Sample Aggregation State | FILAMENT |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | LIQUID ETHANE |
3D Reconstruction | |
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Reconstruction Method | HELICAL |
Number of Particles | 5300 |
Reported Resolution (Å) | 4.6 |
Resolution Method | |
Other Details | BPRP WAS USED TO RECONSTRUCT THE 3D VOLUME THE PDB 2OM3 WAS DOCKED INTO THE CRYO-EM DENSITY USING CHIMERA. SOME SIDE CHAIN RESIDUES AND THE INNER LOOP ... |
Refinement Type | |
Symmetry Type | HELICAL |
Map-Model Fitting and Refinement | |||||
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Id | 1 (2XEA) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | Cross-correlation coefficient | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--RIGID BODY, REAL SPACE REFINEMENT PROTOCOL--CRYO-EM |
Data Acquisition | |||||||||
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Detector Type | GATAN ULTRASCAN 4000 (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 25 |
Imaging Experiment | 1 |
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Date of Experiment | 2009-02-01 |
Temperature (Kelvin) | 78 |
Microscope Model | FEI TECNAI F30 |
Minimum Defocus (nm) | 900 |
Maximum Defocus (nm) | 3000 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.3 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 90000 |
Calibrated Magnification | 121000 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | Coot | |
MODEL FITTING | UCSF Chimera | |
RECONSTRUCTION | IMAGIC | |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
EACH PARTICLE WAS FULLY CTF CORRECTED |