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Filaments from Ignicoccus hospitalis Show Diversity of Packing in Proteins Containing N-terminal Type IV Pilin Helices
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.