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Extended tail of C. difficile phage phiCD508 subjected to 3D variability analysis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.677 f_angle_d 0.488 f_chiral_restr 0.041 f_bond_d 0.003 f_plane_restr 0.002
Sample Tail complex from C. difficile phage phiCD508
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 991596 Reported Resolution (Å) 2.7 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C6 Axial Rise 38.9 Angular Rotation 19.2
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 42
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 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 cryoSPARC MODEL REFINEMENT PHENIX 2.0_5936 RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION