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Cryo-EM Structure of Human Enterovirus D68 USA/IL/14-18952 in Complex with Fc-MFSD6(L3)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Sample enterovirus D68 Sample Components MFSD6(L3)-Fc residues 200-208 with N-linked glycosylation site at N207 Enterovirus D68
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Freezing carried out with 4 s blot time, 1 s wait time.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 8656 Reported Resolution (Å) 2.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details Initial rigid fitting was done using Chimera and then ISOLDE was used for flexible fitting.
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 49.99
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode DARK FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 165000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND MODEL FITTING UCSF Chimera MODEL FITTING UCSF ChimeraX MODEL FITTING ISOLDE INITIAL EULER ASSIGNMENT RELION INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT cryoSPARC RECONSTRUCTION RELION RECONSTRUCTION cryoSPARC MODEL REFINEMENT ISOLDE
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 28888