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Structure of Native, iodinated bovine thyroglobulin solved on strepavidin affinity grids.
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 24.857 f_angle_d 0.829 f_chiral_restr 0.161 f_bond_d 0.008 f_plane_restr 0.006
Sample Native bovine thyroglobulin from thyroid gland, containing T3/T4 hormone precursors in two homonogenic sites.
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 242813 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 54
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 3500 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 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND 4.10 MODEL FITTING PHENIX 1.18.2 MODEL FITTING Coot INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT cryoSPARC 2 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 RECONSTRUCTION cryoSPARC 2 MODEL REFINEMENT PHENIX 1.18.2 MODEL REFINEMENT Coot
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION