6RW5

Structure of human mitochondrial 28S ribosome in complex with mitochondrial IF2 and IF3


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3J9M 
Sample
IF2 and IF3 bound mitochondrial translation pre-initiation complex
Sample Components
Ribosome
IF2
IF3
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles103165
Reported Resolution (Å)3.14
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (3J9M)
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement TargetCross-correlation coefficient
Overall B Value42
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)3200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification165000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONGautomatch0.55
IMAGE ACQUISITIONEPU
CTF CORRECTIONGctf1.06
MODEL FITTINGCoot0.88 EL
INITIAL EULER ASSIGNMENTRELION2.1.0
FINAL EULER ASSIGNMENTRELION2.1.0
CLASSIFICATIONRELION3.0.2
RECONSTRUCTIONRELION3.0.2
MODEL REFINEMENTPHENIX1.15rc2-3428
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1103314