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Structure of native bacteriophage P68
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6IAB experimental model PDB 6IAT experimental model PDB 6IAW experimental model PDB 6IAC
Sample Staphylococcus phage P68 Sample Components Capsid of native phage P68 Tail complex Portal protein Inner core 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 33612 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details The final map is combination of maps of individual parts of bacteriophage P68 as described in the assembly section. Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6IAB, 6IAT, 6IAW, 6IAC) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient 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 PARTICLE SELECTION EMAN2 2.1 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.0 MODEL FITTING UCSF Chimera 2018-02-05 INITIAL EULER ASSIGNMENT RELION 2.1 FINAL EULER ASSIGNMENT RELION 2.1 CLASSIFICATION RELION 2.1 RECONSTRUCTION RELION 2.1 MODEL REFINEMENT PHENIX dev:3042
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 37218