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Cryo-EM structure of SARS-CoV-2 S-Beta variant (B.1.351) in complex with Angiotensin-converting enzyme 2 (ACE2) ectodomain, three ACE2-bound form
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.3231 f_angle_d 0.5321 f_chiral_restr 0.0466 f_plane_restr 0.0038 f_bond_d 0.0027
Sample SARS-CoV-2 spike glycoprotein complex with Angiotensin-converting enzyme 2 (ACE2) ectodomain Sample Components SARS-CoV-2 spike glycoprotein Angiotensin-converting enzyme 2 (ACE2) ectodomain
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 2.5 seconds before plunging; blot force: 0; waiting time: 30s
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 518601 Reported Resolution (Å) 3.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 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
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 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 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION