9QXT | pdb_00009qxt

E. coli JetABC dimer in the DNA boarding-holding state


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB PDB_00008AS8 
experimental modelPDB PDB_00008BFN 
experimental modelPDB PDB_00008Q72 
in silico modelOther 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.15
f_angle_d0.625
f_chiral_restr0.039
f_bond_d0.005
f_plane_restr0.005
Sample
Middle-crosslinked JetABC loading on plasmid DNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles63069
Reported Resolution (Å)4.13
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (8as8, 8bfn, 8q72)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
RECONSTRUCTIONcryoSPARCV4.6
MODEL REFINEMENTPHENIX1.21.2_5419:
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION