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SARS-CoV-2 spike trimer in the early fusion intermediate conformation bound to the VN01H1 Fab (Fab local refinement)
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.9801 f_angle_d 0.391 f_chiral_restr 0.0353 f_plane_restr 0.0027 f_bond_d 0.0019
Sample VN01H1 Fab-bound SARS-CoV-2 E-FIC Sample Components SARS-CoV-2 spike in the early fusion intermediate conformation VN01H1 Fab
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 389200 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
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) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 200 Maximum Defocus (nm) 3000 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 PARTICLE SELECTION Warp MODEL REFINEMENT PHENIX 1.21rc1_5109 RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION