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Gammacoronavirus IBV dsRNA-bound nsp15
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 8.812 f_angle_d 0.399 f_chiral_restr 0.041 f_plane_restr 0.003 f_bond_d 0.002
Sample homo 6-mer gammacoronavirus IBV nsp15 complexed to dsRNA
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 180637 Reported Resolution (Å) 3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (37IX) Refinement Space REAL Refinement Protocol AB INITIO MODEL 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 FEI TALOS ARCTICA Minimum Defocus (nm) 700 Maximum Defocus (nm) 1700 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode OTHER Specimen Holder Model Nominal Magnification 79000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.6 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.6 MODEL FITTING UCSF ChimeraX 1.6 INITIAL EULER ASSIGNMENT cryoSPARC 4.6 FINAL EULER ASSIGNMENT cryoSPARC 4.6 CLASSIFICATION cryoSPARC 4.6 RECONSTRUCTION cryoSPARC 4.6 MODEL REFINEMENT PHENIX 1.21.2_5419 MODEL REFINEMENT ISOLDE 1.12 MODEL REFINEMENT Coot 0.9.8.95
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 6296566