3J7O

Structure of the mammalian 60S ribosomal subunit


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.912
r_dihedral_angle_1_deg28.519
r_dihedral_angle_4_deg23.161
r_dihedral_angle_3_deg22.703
r_mcangle_it3.214
r_angle_refined_deg1.916
r_mcbond_it1.814
r_mcbond_other1.813
r_angle_other_deg1.621
r_chiral_restr0.615
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.912
r_dihedral_angle_1_deg28.519
r_dihedral_angle_4_deg23.161
r_dihedral_angle_3_deg22.703
r_mcangle_it3.214
r_angle_refined_deg1.916
r_mcbond_it1.814
r_mcbond_other1.813
r_angle_other_deg1.621
r_chiral_restr0.615
r_gen_planes_refined0.02
r_bond_refined_d0.011
r_bond_other_d0.005
r_gen_planes_other0.005
Sample
The 60S ribosomal subunit purified from porcine pancreas
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details3 uL sample was incubated on the grid for 30 seconds and blotted for 9 seconds before being plunged into liquid ethane (FEI VITROBOT MARK IV).
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles80019
Reported Resolution (Å)3.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (3J3B, 3J3F)
Refinement SpaceRECIPROCAL
Refinement ProtocolOTHER
Refinement TargetR-factor and FSC
Overall B Value37
Fitting Procedure
DetailsMETHOD--Maximum likelihood
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)27
Imaging Experiment1
Date of Experiment2014-04-07
Temperature (Kelvin)70
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)2500
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification59000
Calibrated Magnification104478
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGREFMAC
MODEL FITTINGREFMAC
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
Each particle