3J92

Structure and assembly pathway of the ribosome quality control complex


ELECTRON MICROSCOPY
Sample
rabbit 60S ribosomal subunit housing an in vitro translated nascent chain attached to a P-site tRNA in complex with the E3 ligase Listerin and NEMF
Sample Components
60S ribosomal subunit
tRNA
in vitro translated substrate
Listerin
NEMF
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification DetailsBlot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK I).
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles63826
Reported Resolution (Å)3.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (4W1Z, 4W20)
Refinement SpaceRECIPROCAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsREFINEMENT PROTOCOL--rigid body
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)30
Imaging Experiment12
Date of Experiment2014-04-302014-08-18
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOSFEI TITAN KRIOS
Minimum Defocus (nm)20002000
Maximum Defocus (nm)35003500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.72.7
Imaging ModeBRIGHT FIELDBRIGHT FIELD
Specimen Holder Model
Nominal Magnification5900059000
Calibrated Magnification104478104478
SourceFIELD EMISSION GUNFIELD EMISSION GUN
Acceleration Voltage (kV)300300
Imaging DetailsObjective lens astigmatism was corrected at 59,000 times magnification.Objective lens astigmatism was corrected at 59,000 times magnification.
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONCTFFIND3
MODEL FITTINGCoot
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONRELION