7ODE

E. coli 50S ribosome LiCl core particle


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.0935
f_angle_d0.3503
f_chiral_restr0.027
f_plane_restr0.0023
f_bond_d0.0022
Sample
50S LiCl core particle
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailscontinuous carbon, 3 microL of sample, incubate for 30 seconds, blot for 3.5 seconds
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles384374
Reported Resolution (Å)2.84
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (4YBB)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Targetcorrelation coefficient
Overall B Value69.21
Fitting Procedure
DetailsLow-resolution regions were modeled at a lower contour level.
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)42
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsThe sample stage was tilted at 0, 15 or 30 degrees
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONGctf
CTF CORRECTIONRELION3.1
MODEL FITTINGUCSF Chimera1.14
MODEL FITTINGPHENIX1.19
MODEL FITTINGCoot0.8
FINAL EULER ASSIGNMENTRELION3.1
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX1.19
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION