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Poliovirus type 3 (strain Saukett) stabilized virus-like particle
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 9.541 f_angle_d 0.869 f_chiral_restr 0.056 f_bond_d 0.009 f_plane_restr 0.007
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK I Cryogen Name ETHANE Sample Vitrification Details Blot for 4 seconds before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 4046 Reported Resolution (Å) 3.6 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 REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details phenix.real_space_refine was used to refine the atomic model in the cryo-em map.
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 1.5
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 Calibrated Magnification 133333 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION ETHAN IMAGE ACQUISITION EPU CTF CORRECTION RELION 1.3 MODEL FITTING UCSF Chimera 1.12 MODEL REFINEMENT PHENIX 1.12rc0 INITIAL EULER ASSIGNMENT RELION 1.3 FINAL EULER ASSIGNMENT RELION 1.3 CLASSIFICATION RELION 1.3 RECONSTRUCTION RELION 1.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION CTF parameters were estimated using CTFFIND3 as part of RELION 1.3. 37378 Automated particle picking (ETHAN) was followed by manual cleaning (EMAN2).