6SGB | pdb_00006sgb

mt-SSU assemblosome of Trypanosoma brucei

ELECTRON MICROSCOPY

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Sample
mt-SSU assemblosome

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE-PROPANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	104838
Reported Resolution (Å)	3.3
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space
Refinement Protocol	OTHER
Refinement Target
Overall B Value
Fitting Procedure
Details	Starting models of ribosomal proteins of the T. brucei mitochondrial ribosomal small subunit were taken from PDB 6HIW. Mitchondrial ribosomal small subunit assembly factors were built de novo.

Data Acquisition
Detector Type	FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)	40

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification	59000
Calibrated Magnification	100719
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	EPU
CTF CORRECTION	Gctf
INITIAL EULER ASSIGNMENT	RELION
FINAL EULER ASSIGNMENT	RELION
CLASSIFICATION	RELION
RECONSTRUCTION	RELION
MODEL REFINEMENT	PHENIX

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION	On the fly in RELION