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Trimer of the dimeric SaPI2 Stl transcriptional regulator
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold A0A7U8XQ92
Sample Trimer of the dimeric SaPI2 Stl transcriptional regulator
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 594605 Reported Resolution (Å) 3.69 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target cross-correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 1300 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 190000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION EPU 2.13.0 CTF CORRECTION cryoSPARC v4.2.1 MODEL FITTING Coot 9.03 MODEL REFINEMENT PHENIX 1.20.1-4487-000 INITIAL EULER ASSIGNMENT cryoSPARC v4.2.1 CLASSIFICATION cryoSPARC v4.2.1 RECONSTRUCTION cryoSPARC v4.2.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Estimate and correct for full-frame motion (eg. stage drift) as well as sample deformation (local motion) by Cryosparc Patch Motion Correction. 2337415