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Cryo-EM structure of encapsulin from Mycobacterium tuberculosis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 619G
Sample encapsulin shell from Mycobacterium tuberculosis
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 57805 Reported Resolution (Å) 2.29 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 (619G) Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target multiple Overall B Value 34.36 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 700 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 163000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION EPU CTF CORRECTION Gctf MODEL FITTING PHENIX 1.18.2 MODEL FITTING Coot 0.9.5 MODEL REFINEMENT PHENIX 1.18.2 MODEL REFINEMENT Coot 0.9.5
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 89072