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Cryo-EM structure of single-layered nucleoprotein-RNA helical assembly from Marburg virus, trimeric repeat unit
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Sample Helical assembly of nucleoprotein-RNA complex from Marburg virus
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 12135 Reported Resolution (Å) 3.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 2.86924 Angular Rotation 14.732
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 30
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 5000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 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 PARTICLE SELECTION crYOLO 1.7.6 CTF CORRECTION CTFFIND 4.1.14 INITIAL EULER ASSIGNMENT RELION 4.0 FINAL EULER ASSIGNMENT RELION 4.0 RECONSTRUCTION RELION 4.0 MODEL REFINEMENT PHENIX 1.19.2-4158_1309
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 67385