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Cryo-EM reconstruction of Staphylococcus aureus oleate hydratase (OhyA) dimer of dimers
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7KAV
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.779 f_angle_d 0.6 f_chiral_restr 0.049 f_bond_d 0.006 f_plane_restr 0.004
Sample Dimer of Dimers of OhyA
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 73589 Reported Resolution (Å) 2.97 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (7kav) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 500 Maximum Defocus (nm) 2000 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 79000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4 MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC 4 FINAL EULER ASSIGNMENT cryoSPARC 4 CLASSIFICATION cryoSPARC 4 RECONSTRUCTION cryoSPARC 4
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 372852 template picking using templates generated from model map reconstructed from pdb 7kav