☰ Navigation Tabs
Cryo EM structure of elk ACE2 in complex with SARS-CoV-2 spike trimer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8HFX
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.654 f_angle_d 0.474 f_chiral_restr 0.042 f_plane_restr 0.003 f_bond_d 0.002
Sample Ternary complex of elk ACE2 with SARS-CoV-2 Omicron XBB1.5 spike trimer Sample Components Elk ACE2 extracellular domain SARS-CoV-2 omicron XBB1.5 spike
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 51163 Reported Resolution (Å) 3.37 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (8HFX) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 1.25
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS 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 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 5.0.0 MODEL REFINEMENT PHENIX 1.21.2_5419: CTF CORRECTION RELION 5.0.0 CTF CORRECTION cryoSPARC INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 185400