9IOT | pdb_00009iot

Cryo-EM structure of Escherichia coli hibernating ribosome with RNase I mutant


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
s_angle_nonh_d1.0839259
s_bond_nonh_d0.00507943107
Sample
Escherichia coli 70S ribosome in complex with HPF, RMF, and RNase I
Sample Components
50S Large ribosomal subunit
30S Small ribosomal subunit
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles50955
Reported Resolution (Å)2.7
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 TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelJEOL CRYO ARM 300
Minimum Defocus (nm)1000
Maximum Defocus (nm)2000
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
PARTICLE SELECTIONcryoSPARC3.3.1
CTF CORRECTIONcryoSPARC3.3.1
MODEL FITTINGCoot0.9.8.95
MODEL FITTINGPyMOL
MODEL FITTINGUCSF ChimeraX1.6.1
INITIAL EULER ASSIGNMENTcryoSPARC3.3.1
FINAL EULER ASSIGNMENTcryoSPARC3.3.1
CLASSIFICATIONcryoSPARC3.3.1
RECONSTRUCTIONcryoSPARC4.0.0
MODEL REFINEMENTServalcat0.4.74
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION