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Neuraminidase NA isolated from the H1N1 strain A/Victoria/2570/2019 propagated in eggs
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3NSS
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.053 f_angle_d 0.624 f_chiral_restr 0.05 f_bond_d 0.003 f_plane_restr 0.003
Sample Neuraminidase NA isolated from the H1N1 strain A/Victoria/2570/2019 propagated in eggs
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 204391 Reported Resolution (Å) 3.58 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 (3NSS) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 57.3
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 500 Maximum Defocus (nm) 1900 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 130000 Calibrated Magnification 48924 Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO 1.7.6 IMAGE ACQUISITION EPU 3.2 CTF CORRECTION CTFFIND 4.1.14 MODEL FITTING Coot 0.9 INITIAL EULER ASSIGNMENT cryoSPARC 4.5.1 FINAL EULER ASSIGNMENT RELION 5 RECONSTRUCTION RELION 5 MODEL REFINEMENT PHENIX 1.21.2_5419
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 456795