8HU1

E. coli 70S ribosome complexed with tRNA_Ile2 bearing L34 and ct6A37 in classical state


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7K00 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.0682
f_angle_d0.5242
f_chiral_restr0.0332
f_plane_restr0.0044
f_bond_d0.0023
Sample
The complex of E. coli 70S ribosome with mRNA and A-, P- site tRNA
Sample Components
E. coli 70S ribosome
tRNA
mRNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles71561
Reported Resolution (Å)2.69
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7K00)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)2500
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
CTF CORRECTIONRELION3.1.3
MODEL FITTINGUCSF Chimera1.14
MODEL FITTINGCoot0.9.4.1
MODEL REFINEMENTPHENIX1.19.2
MODEL REFINEMENTCoot0.9.4.1
INITIAL EULER ASSIGNMENTRELION3.1.3
FINAL EULER ASSIGNMENTRELION3.1.3
CLASSIFICATIONRELION3.1.3
RECONSTRUCTIONRELION3.1.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION574978