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Structure of hantaan orthohantavirus (HTNV) polymerase - Apo core endonuclease
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.434 f_angle_d 0.492 f_chiral_restr 0.039 f_plane_restr 0.003 f_bond_d 0.002
Sample RNA-dependent RNA polymerase of Hantaan orthohantavirus (HTNV).
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 50000 Reported Resolution (Å) 3.24 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 REAL Refinement Protocol FLEXIBLE FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1400 Maximum Defocus (nm) 2600 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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU 3.1 CTF CORRECTION cryoSPARC 4.0 MODEL FITTING UCSF ChimeraX 1.5 MODEL FITTING Coot 0.9.6 MODEL REFINEMENT PHENIX 1.19.2 INITIAL EULER ASSIGNMENT cryoSPARC 4.0 FINAL EULER ASSIGNMENT cryoSPARC 4.0 CLASSIFICATION cryoSPARC 4.0 RECONSTRUCTION cryoSPARC 4.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION