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SARS-CoV-2 RNA-dependent RNA polymerase in complex with cofactors in reduced condition
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6NUR
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.1163 f_angle_d 0.719 f_chiral_restr 0.0516 f_bond_d 0.0089 f_plane_restr 0.0042
Sample Structure of SARS-Cov-2 RNA-dependent RNA polymerase in complex with cofactors in reduced condition
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 145388 Reported Resolution (Å) 2.95 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6NUR, 6NUR, 6NUR, 6NUR) Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target correlation coefficient Overall B Value 58.5 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 QUANTUM (4k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 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 165000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Preliminary grid screening was preformed manually.
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 2.9.1 MODEL FITTING UCSF Chimera 1.14 INITIAL EULER ASSIGNMENT cryoSPARC 2.9.1 FINAL EULER ASSIGNMENT cryoSPARC 2.9.1 CLASSIFICATION cryoSPARC 2.9.1 RECONSTRUCTION cryoSPARC 2.9.1 MODEL REFINEMENT PHENIX 1.16
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION CTF correction was done by patch CTF correction. 753481