☰ Navigation Tabs
CryoEM structure of the holo-SrpI encapsulin complex from Synechococcus elongatus PCC 7942
Sample SrpI encapsulin holo complex Sample Components SrpI encapsulin CyD cargo protein
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot force 5, 3 sec blot, 100 humidity, 4C, 1 sec drain time
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 11980 Reported Resolution (Å) 2.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Correlation coefficient Overall B Value 20 Fitting Procedure Details One subunit was built completely de novo based on sequence/density, and iteratively real space refined with neighboring subunits using PHENIX.
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 35
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.6 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 64000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Residual beam tilt corrected in RELION/3.1. CTF refinement performed in RELION/3.1.
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND 4.1.10 MODEL FITTING PHENIX dev-2883 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX dev-2883
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION CTF refinement was performed in Relion/3.1 15686 Relion LoG autopicker to select particles