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In situ cryo-EM structure of bacteriophage P22 portal protein: head-to-tail protein complex at 3.0A resolution
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.888 f_angle_d 0.669 f_chiral_restr 0.042 f_plane_restr 0.005 f_bond_d 0.004
Sample Salmonella phage P22
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 38151 Reported Resolution (Å) 3 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 Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 1.08
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2100 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode OTHER Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 29000 Calibrated Magnification 29000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL REFINEMENT PHENIX 1.20.1_4487: INITIAL EULER ASSIGNMENT RELION 3.1.2 FINAL EULER ASSIGNMENT RELION 3.1.2 CLASSIFICATION RELION 3.1.2 RECONSTRUCTION RELION 3.1.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION