8P60 | pdb_00008p60

Spraguea lophii ribosome dimer

ELECTRON MICROSCOPY

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Sample
Ribosome

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	blot force -1 and blot time 4 s

3D Reconstruction
Reconstruction Method	SUBTOMOGRAM AVERAGING
Number of Particles	1344
Reported Resolution (Å)	14.3
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C2

Map-Model Fitting and Refinement
Id	1
Refinement Space	RECIPROCAL
Refinement Protocol	RIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)	GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)	1.98	1.98

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	2500
Maximum Defocus (nm)	6000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
VOLUME SELECTION	IMOD	4.12.10
VOLUME SELECTION	Warp	1.1.0
IMAGE ACQUISITION	SerialEM
CTF CORRECTION	Warp	1.1.0
MODEL FITTING	Coot
MODEL FITTING	UCSF ChimeraX
MODEL REFINEMENT	REFMAC
FINAL EULER ASSIGNMENT	RELION	3.1
RECONSTRUCTION	RELION	3.1
RECONSTRUCTION	Warp	1.1.0

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION