5AJ4 | pdb_00005aj4

Structure of the 55S mammalian mitoribosome.


ELECTRON MICROSCOPY
Sample
SUS SCROFA 55S MITOCHONDRIAL RIBOSOME
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsMIXTURE OF LIQUID ETHANE AND PROPANE
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles60872
Reported Resolution (Å)3.8
Resolution Method
Other DetailsFOR VISUALIZATION PURPOSES THE FINAL MAP WAS FILTERED AND AMPLITUDE CORRECTED IN RELION. THE COMBINED COORDINATES WERE REFINED IN RECIPROCAL SPACE USI ...FOR VISUALIZATION PURPOSES THE FINAL MAP WAS FILTERED AND AMPLITUDE CORRECTED IN RELION. THE COMBINED COORDINATES WERE REFINED IN RECIPROCAL SPACE USING PHENIX.REFINE AGAINST THE MLHL TARGET. FOR THIS, THE CRYO-EM MAPS (EMD-2914) WERE CONVERTED TO RECIPROCAL SPACE STRUCTURE FACTORS.
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsREFINEMENT PROTOCOL--HIGH RESOLUTION CRYO-EM
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2014-05-30
Temperature (Kelvin)85
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification59000
Calibrated Magnification100000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsIMAGES WERE ACQUIRED IN 2 SESSIONS ON A FEI TITAN KRIOS IN MAY 2014.
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONCTFFIND3
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONEMAN1.9
RECONSTRUCTIONRELION1.2
RECONSTRUCTIONRELION1.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PER DETECTOR FRAME