8EMH | pdb_00008emh

CryoEM characterization of a unique AAA+ BrxL phage restriction factor


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.977
f_angle_d0.605
f_chiral_restr0.043
f_plane_restr0.005
f_bond_d0.003
Sample
complex of walkerB mutant of BrxL with random sequence of DNA fragments
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles229430
Reported Resolution (Å)3.63
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeDIRECT ELECTRON DE-10 (5k x 4k)
Electron Dose (electrons/Å**2)30
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)1200
Maximum Defocus (nm)5000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.3.2
CTF CORRECTIONcryoSPARC3.3.2
INITIAL EULER ASSIGNMENTcryoSPARC3.3.2
FINAL EULER ASSIGNMENTcryoSPARC3.3.2
RECONSTRUCTIONcryoSPARC3.3.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3241183