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Structure of the C. crescentus S-layer
Sample Caulobacter crescentus S-layer
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 1.5 s blot
3D Reconstruction Reconstruction Method SUBTOMOGRAM AVERAGING Number of Particles 51866 Reported Resolution (Å) 7.4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type 2D CRYSTAL Space Group Name P 1 21 Length a 220 Length b 220 Angle Gamma 1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 3.4
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 2000 Maximum Defocus (nm) 5000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification 105000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version VOLUME SELECTION RELION 1.4 IMAGE ACQUISITION SerialEM MODEL FITTING UCSF Chimera
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Following Schur et al, 2016