3J1R
Filaments from Ignicoccus hospitalis Show Diversity of Packing in Proteins Containing N-terminal Type IV Pilin Helices
ELECTRON MICROSCOPY
Sample |
---|
Adhesion filament |
Specimen Preparation | |
---|---|
Sample Aggregation State | FILAMENT |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
---|---|
Reconstruction Method | HELICAL |
Number of Particles | |
Reported Resolution (Å) | 7.5 |
Resolution Method | |
Other Details | |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C1 |
Axial Rise | 5.3 |
Angular Rotation | 106.65 |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) |
Imaging Experiment | 1 |
---|---|
Date of Experiment | 2011-01-01 |
Temperature (Kelvin) | |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 1700 |
Maximum Defocus (nm) | 3400 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | GATAN LIQUID NITROGEN |
Nominal Magnification | 55000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
RECONSTRUCTION | IHRSR | |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
Each image was multiplied by the CTF. The final volume was amplitude-corrected in Fourier space by dividing by the sum of the squared CTFs. |