2Y9K
Three-dimensional model of Salmonella's needle complex at subnanometer resolution
ELECTRON MICROSCOPY
Sample |
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NEEDLE COMPLEX |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | |
Cryogen Name | ETHANE |
Sample Vitrification Details | LIQUID ETHANE |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | |
Reported Resolution (Å) | 8.3 |
Resolution Method | FSC 0.5 CUT-OFF |
Other Details | RESOLUTION 8.3 ANGSTROM (0.5 FSC), 6.7 ANGSTROM (HALF BIT) SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1871. (DEPOSITION ID: 7820). |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C15 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (3GR5) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | Cross-correlation coefficient | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--RIGID BODY FITTING |
Data Acquisition | |||||||||
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Detector Type | GENERIC GATAN (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI POLARA 300 |
Minimum Defocus (nm) | 1000 |
Maximum Defocus (nm) | 2500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 93000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details | ACUAL MAGNIFICATION AT CCD 112968, CAMERA PIXEL SIZE 15UM, 1.33 ANGSTROM PER PIXEL, DATA COLLECTED SEMI- AUTOMATICALLY USING POINT-2-POINT (DEVELOPED IN-HOUSE) |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | UCSF Chimera | |
RECONSTRUCTION | IMAGIC |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
EACH CCD FRAME |