6MW3

EM structure of Bacillus subtilis ribonucleotide reductase inhibited filament composed of NrdE alpha subunit and NrdF beta subunit with dATP


ELECTRON MICROSCOPY
Sample
Inhibited filament of ribonucleoside-diphosphate reductase composed of NrdE alpha subunits and NrdF beta subunit tails
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles126224
Reported Resolution (Å)4.65
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise73.8
Angular Rotation88.6
Map-Model Fitting and Refinement
Id1 (6CGN)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement TargetCorrelation coefficient
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)8
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC2.0.27
MODEL FITTINGPHENIX
FINAL EULER ASSIGNMENTcryoSPARC2.0.27
CLASSIFICATIONcryoSPARC2.0.27
RECONSTRUCTIONcryoSPARC2.0.27
MODEL REFINEMENTPHENIX
MODEL REFINEMENTCoot
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION281591