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gp6/gp15/gp16 connector complex of bacteriophage SPP1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2JES
Sample gp6(12) gp15(12) gp16(6) portal complex (connector) of SPP1 bacteriophage
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 401807 Reported Resolution (Å) 2.7 Resolution Method FSC 0.5 CUT-OFF Other Details Local resolution variations in the reconstruction was estimated using ResMap Refinement Type Symmetry Type POINT Point Symmetry C6
Map-Model Fitting and Refinement Id 1 (2JES) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 90 Fitting Procedure Details Manual inspection of the residues in the complete gp6, gp15 and gp16 polypeptide chains tracing was done using COOT and refined in Phenix
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2500 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 120000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 2.0 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 9 INITIAL EULER ASSIGNMENT cryoSPARC 2.0 FINAL EULER ASSIGNMENT cryoSPARC 2.0 CLASSIFICATION cryoSPARC 2 RECONSTRUCTION cryoSPARC 2 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 520000