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E. coli DNA gyrase bound to a DNA crossover
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6RKW experimental model PDB 1SUU
Sample E. coli DNA gyrase in complex with DNA minicircles Sample Components E. coli DNA gyrase dsDNA minicircles
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 91247 Reported Resolution (Å) 3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (6RKW, 1SUU) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 46
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 0.01 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO Version 1.9.6 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC V3.3.2 MODEL FITTING PHENIX v1.20.1-4487 MODEL REFINEMENT PHENIX v1.20.1-4487 INITIAL EULER ASSIGNMENT cryoSPARC V3.3.2 FINAL EULER ASSIGNMENT cryoSPARC V3.3.2 CLASSIFICATION cryoSPARC V3.3.2 RECONSTRUCTION cryoSPARC V3.3.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION