ELECTRON MICROSCOPY

Sample

CHIMERIC BARLEY STRIPE MOSAIC VIRUS NARROW VIRION

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 40, TEMPERATURE- 100, INSTRUMENT- HOMEMADE PLUNGER, METHOD- 3.5UL OF SAMPLE WAS ADDED TO CONTINUOUS CARBON COATED OR C-FLAT GRIDS, BLOTTED FOR 2 SECONDS AND THEN PLUNGED IN LIQUID ETHANE,
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 3007
Reported Resolution (Å) 4.1
Resolution Method ?
Other Details ?
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details METHOD--RIGID BODY USING CHIMERA, FOLLOWED BY FLEXIBLE FITTING IN FLEX-EM AND COOT. THEN REALSPACE REFINEMENT IN PHENIX FOLLOWED BY MANUAL ADJUSTMENT IN COOT (INTERATIVE) REFINEMENT PROTOCOL--CRYO-EM
Data Acquisition
Detector Type GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment 2012-06-01
Temprature (Kelvin)
Microscope Model FEI TECNAI F30
Minimum Defocus (nm) 700
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.3
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 150000
Calibrated Magnification 150000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
RECONSTRUCTION EMAN ?
RECONSTRUCTION IMAGIC ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? PHASE FLIPPED EACH PARTICLE