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Cryo-EM structure of thermally stable Zika virus strain H/PF/2013
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3J27
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 1s
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 7180 Reported Resolution (Å) 3.7 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 (3J27, 3J27) Refinement Space RECIPROCAL Refinement Protocol BACKBONE TRACE Refinement Target residual Overall B Value Fitting Procedure Details Only icosahedral symmetry imposed.
Rwork 0.323
Rtest 0.324
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION EMAN 1.9 CTF CORRECTION ctffind4 17 MODEL FITTING Coot 0.8.3 INITIAL EULER ASSIGNMENT EMAN 1.9 FINAL EULER ASSIGNMENT EMAN 1.9 RECONSTRUCTION EMAN 1.9 MODEL REFINEMENT CNS 1.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION correction for astigmatism included 11600 manually picked