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Portal and tail of native bacteriophage P68
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.165 f_angle_d 1.304 f_chiral_restr 0.068 f_bond_d 0.009 f_plane_restr 0.007
Sample Staphylococcus phage P68 Sample Components Portal protein complex in native virion Lower collar protein Portal protein Inner core protein Tail fiber protein
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot time 2s; blot force -2; 3.6 ul of sample
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 21703 Reported Resolution (Å) 3.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C12
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 21
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1 Maximum Defocus (nm) 3 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 75000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.0 MODEL FITTING Coot 0.8.8 MODEL REFINEMENT PHENIX dev:3042 INITIAL EULER ASSIGNMENT RELION 2.1 FINAL EULER ASSIGNMENT RELION 2.1 CLASSIFICATION RELION 2.1 RECONSTRUCTION RELION 2.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 37218