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 9SXK | pdb_00009sxk

Structural characterization of hibernating ribosomes in the Gram-negative pathogen Klebsiella quasipneumoniae


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8B0X 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d22.3324
f_angle_d0.7744
f_chiral_restr0.0476
f_bond_d0.0081
f_plane_restr0.0067
Sample
Klebsiella quasipneumoniae Ribosome
Specimen Preparation
Sample Aggregation StateCELL
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles374079
Reported Resolution (Å)2.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (8B0X)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsRigid body fitting of each separate chain in chimera, followed by manual adjustment and point mutation in coot. Final refinement in Phenix minimizatio ...Rigid body fitting of each separate chain in chimera, followed by manual adjustment and point mutation in coot. Final refinement in Phenix minimization_global 5 macro cycles
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)35
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.3.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4.3.1
MODEL FITTINGUCSF Chimera1.18
MODEL FITTINGCoot0.9.8.95
INITIAL EULER ASSIGNMENTcryoSPARC4.3.1
FINAL EULER ASSIGNMENTcryoSPARC4.3.1
CLASSIFICATIONcryoSPARC4.3.1
RECONSTRUCTIONcryoSPARC4.3.1
RECONSTRUCTIONPHENIX1.21.2-5419
RECONSTRUCTIONCoot0.9.8.95
MODEL REFINEMENTPHENIX1.21.2-5419
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1714639