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Model for focused reconstruction of influenza A RNP-like particle
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5TJW
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.658 f_angle_d 0.824 f_chiral_restr 0.047 f_plane_restr 0.005 f_bond_d 0.003
Sample Influenza A NP-RNA complex Sample Components Nucleoprotein RNA (5'P-(UC)6-FAM3')
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 59232 Reported Resolution (Å) 5.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C2 Axial Rise 24.27 Angular Rotation 57.41
Map-Model Fitting and Refinement Id 1 (5TJW) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 40.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 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 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.3.2 IMAGE ACQUISITION EPU MASKING cryoSPARC 3.3.2 CTF CORRECTION cryoSPARC 3.3.2 LAYERLINE INDEXING cryoSPARC 3.3.2 MODEL FITTING UCSF ChimeraX 1.6 MODEL REFINEMENT PHENIX 1.20.1_4487: MODEL REFINEMENT Coot 0.9.6 INITIAL EULER ASSIGNMENT cryoSPARC 3.3.2 INITIAL EULER ASSIGNMENT RELION 4 FINAL EULER ASSIGNMENT cryoSPARC 3.3.2 CLASSIFICATION RELION 4 RECONSTRUCTION cryoSPARC 3.3.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE