ELECTRON MICROSCOPY

Sample

OUTER MEMBRANE PROTEIN PILQ FROM NEISSERIA MENINGITIDIS

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK III
Cryogen Name ETHANE
Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 90, TEMPERATURE- 100K, INSTRUMENT- FEI VITROBOT MARK III, METHOD- BOTH SIDES OF THE GRID WERE BRIEFLY BLOTTED DRY WITH WHATMAN NO. 1 FILTER PAPER IN A HUMIDITY-CONTROLLED CHAMBER USING A VITROBOT (FEI) DEVICE (90PERCENT RELATIVE HUMIDITY), AND THE GRID WAS THEN PLUNGED INTO LIQUID ETHANE MAINTAINED AT LESS THAN 100K
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 25303
Reported Resolution (Å) 26.0
Resolution Method ?
Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2105. (DEPOSITION ID: 10821).
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details METHOD--LOCAL CORRELATION
Data Acquisition
Detector Type GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å2) 4
Imaging Experiment
Date of Experiment 2007-11-27
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 1200
Maximum Defocus (nm) 5100
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 33000
Calibrated Magnification 33112
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? CTFFIT EACH MICROGRAPH