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 9SMD | pdb_00009smd

Ribosome-dome complex including the Sec-translocon (SecYEG-SecA-SecDF) from antibiotics treated Mycoplasma pneumoniae cells (Combined)


ELECTRON MICROSCOPY
Sample
pooled Ribosome-Sec translocon-Dome supercomplexes from four antibiotic treated Mycoplasma pneumoniae datasets(chloramphenicol treated & on K2 camera; puseudoridimycin treated; spectinomycin treated; chloramphenicol treated & on K3 camera)
Specimen Preparation
Sample Aggregation StateCELL
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsBack-side blotting for 2-3 seconds before plunging using a manual plunger without an environmental control chamber.
3D Reconstruction
Reconstruction MethodSUBTOMOGRAM AVERAGING
Number of Particles2304
Reported Resolution (Å)9.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)3.23.34
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
VOLUME SELECTIONPyTom
VOLUME SELECTIONWarp1.0.9
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONWarp1.0.9
FINAL EULER ASSIGNMENTRELION3.0.8
CLASSIFICATIONRELION3.0.8
RECONSTRUCTIONRELION3.0.8
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY