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Helical reconstruction of influenza A virus M1 in complex with nucleic acid.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AA7
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 24.758 f_angle_d 0.453 f_chiral_restr 0.035 f_bond_d 0.004 f_plane_restr 0.003
Sample Helical reconstruction of influenza A virus M1 protein in complex with nucleic acid
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details sample was applied 3 times each with 30s adsorption time
3D Reconstruction Reconstruction Method HELICAL Number of Particles 17984 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry D1 Axial Rise 3.08413 Angular Rotation -11.1081
Map-Model Fitting and Refinement Id 1 (1AA7) Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target correlation coefficient Overall B Value 37.9 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 47.1
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 3000 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 SPRING 0.86 IMAGE ACQUISITION SerialEM 3.7 CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 0.9 MODEL REFINEMENT PHENIX 1.18.2 INITIAL EULER ASSIGNMENT RELION 3.08 FINAL EULER ASSIGNMENT RELION 3.08 CLASSIFICATION RELION 3.08 RECONSTRUCTION RELION 3.08
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 463152 Manual picking