7RDQ

Cryo-EM structure of Thermus thermophilus reiterative transcription complex with 11nt oligo-G RNA


ELECTRON MICROSCOPY
Sample
reiterative transcription initiation complex with 11nt oligo-G RNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles339426
Reported Resolution (Å)3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
IdRefinement SpaceRefinement ProtocolRefinement TargetOverall B ValueFitting ProcedureDetails
1 (4G7H)REALRIGID BODY FIT
2 (4G7H)
3 (4G7H)
4 (4G7H)
5 (4G7H)
6 (4G7H)
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)0.994
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)-1200
Maximum Defocus (nm)-2800
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 SELECTIONRELION3.1.0
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGCoot
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTRELION3.1.0
FINAL EULER ASSIGNMENTRELION3.1.0
CLASSIFICATIONRELION3.1.0
RECONSTRUCTIONRELION3.1.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION2143284