9O17 | pdb_00009o17

Cryo-EM structure of Methanosarcina acetivorans 70S ribosome


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.2047
f_angle_d0.7147
f_chiral_restr0.0388
f_plane_restr0.0053
f_bond_d0.0043
Sample
Methanosarcina acetivorans 70S ribosome
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles91385
Reported Resolution (Å)2.92
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)600
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv4.6.2
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARCv4.6.2
MODEL FITTINGUCSF ChimeraXv1.7
MODEL FITTINGISOLDE
MODEL REFINEMENTCootv0.9.8.95
MODEL REFINEMENTPHENIXv1.20.1
INITIAL EULER ASSIGNMENTcryoSPARCv4.6.2
FINAL EULER ASSIGNMENTcryoSPARCv4.6.2
RECONSTRUCTIONcryoSPARCv4.6.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION