8UR3

Cryo-EM reconstruction of Staphylococcus aureus Oleate hydratase (OhyA) dimer with an ordered C-terminal membrane-association domain


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7KAV 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.21
f_angle_d0.511
f_chiral_restr0.045
f_bond_d0.003
f_plane_restr0.003
Sample
Homodimer of OhyA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles572989
Reported Resolution (Å)2.61
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (7kav)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)500
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification79000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTcryoSPARC4
FINAL EULER ASSIGNMENTcryoSPARC4
CLASSIFICATIONcryoSPARC4
RECONSTRUCTIONcryoSPARC4
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3065496template picking using templates generated from model map reconstructed from pdb 7kav