☰ Navigation Tabs
Structure of SARS-CoV-1 Spike Protein with Engineered x1 Disulfide (S370C and D967C), Locked-122 Conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7XTZ
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.111 f_angle_d 0.818 f_chiral_restr 0.055 f_plane_restr 0.007 f_bond_d 0.006
Sample SARS-CoV-1 spike protein
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 70911 Reported Resolution (Å) 2.99 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7XTZ) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 66 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 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 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION EPU CTF CORRECTION RELION 3.1 MODEL FITTING UCSF Chimera 1.16 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 1.19.1_4122
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 4604239 Particles were picked by Warp v1.09