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CryoEM structure of the outer membrane secretin pore pIV from the f1 filamentous bacteriophage.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5W68
Sample Virion export protein pIV
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot force 0, blot time 4sec
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 111679 Reported Resolution (Å) 2.7 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C15
Map-Model Fitting and Refinement Id 1 (5W68) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 42.059
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Warp IMAGE ACQUISITION EPU CTF CORRECTION Warp MODEL FITTING Coot INITIAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT RELION 3.1beta CLASSIFICATION RELION RECONSTRUCTION RELION 3.1beta MODEL REFINEMENT REFMAC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION