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Structure of human SIT1:ACE2 complex (open PD conformation)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6M1D
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 9.5197 f_angle_d 0.4085 f_chiral_restr 0.0379 f_plane_restr 0.0031 f_bond_d 0.0018
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details grid blotted for 3sec
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 136985 Reported Resolution (Å) 3.59 Resolution Method FSC 0.143 CUT-OFF Other Details cryoSPARC Non-uniform Refinement (C2 symmetry) Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (6M1D) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 147 Fitting Procedure Details Initial model fitting was peformed in Chimera and model building in COOT
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50.09
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2200 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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.3.1 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3.3.1 MODEL FITTING Coot 0.9.6 INITIAL EULER ASSIGNMENT cryoSPARC 3.3.1 FINAL EULER ASSIGNMENT cryoSPARC 3.3.1 RECONSTRUCTION cryoSPARC 3.3.1 MODEL REFINEMENT PHENIX 1.20_4459
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 509681