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Circular tandem repeat protein with novel repeat topology and enhanced subunit contact surfaces
Sample trimer of tendon repeat protein
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 5 seconds before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 121400 Reported Resolution (Å) 6.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI 20 Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2500 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 38000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 2.13 IMAGE ACQUISITION Leginon CTF CORRECTION cryoSPARC 2.13 MODEL FITTING UCSF Chimera INITIAL EULER ASSIGNMENT Rosetta RECONSTRUCTION cryoSPARC 2.13
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 121850