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CryoEM structure of human astrovirus 1 spike in complex with human neonatal Fc receptor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5EWN experimental model PDB 5EWO experimental model PDB 1EXU
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.365 f_angle_d 0.619 f_chiral_restr 0.046 f_plane_restr 0.005 f_bond_d 0.003
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 54839 Reported Resolution (Å) 3.81 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (5EWN, 5EWO, 1EXU) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) FEI FALCON IV (4k x 4k) FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 47.8 45 54.9
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION