8PHK

fully recruited RfaH bound to E. coli transcription complex paused at ops site


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.63
f_angle_d0.517
f_chiral_restr0.039
f_plane_restr0.004
f_bond_d0.002
Sample
transcription complex paused at ops with fully recruited RfaH
Sample Components
Transcription antitermination protein RfaH and DNA-directed RNA polymerase subunits
RNA and DNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles124233
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value125
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)42
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification96000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.2.0
IMAGE ACQUISITIONEPU2.8
CTF CORRECTIONcryoSPARC3.2.0
MODEL FITTINGCoot0.9.8.1
INITIAL EULER ASSIGNMENTcryoSPARC3.2.0
FINAL EULER ASSIGNMENTcryoSPARC3.2.0
CLASSIFICATIONcryoSPARC3.2.0
RECONSTRUCTIONcryoSPARC3.2.0
MODEL REFINEMENTPHENIX1.20_44591
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1040421