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Emiliania huxleyi virus 201 (EhV-201) capsid proteins predicted by AlphaFold2 fitted into a cryo-EM density map of the EhV-201 virion capsid.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold G9E4T6 in silico model AlphaFold Q4A2T2
Sample Emiliania huxleyi virus 201
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Sample: 3.5 ul; Wait time: 10 s; Blot time: 3 s; Blot force: -2; Drain time: 0 s
3D Reconstruction Reconstruction Method SUBTOMOGRAM AVERAGING Number of Particles 2880 Reported Resolution (Å) 12 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C5
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 2.42
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 2000 Maximum Defocus (nm) 4000 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 42000 Calibrated Magnification 42000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version VOLUME SELECTION emClarity 1.5.3.11 VOLUME SELECTION Warp 1.0.9 IMAGE ACQUISITION SerialEM 4.0 CTF CORRECTION Warp 1.0.9 MODEL FITTING UCSF ChimeraX 1.5 FINAL EULER ASSIGNMENT RELION 4.0 CLASSIFICATION RELION 4.0 RECONSTRUCTION RELION 4.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION