7XL4

Cryo-EM structure of Pseudomonas aeruginosa RNAP sigmaS holoenzyme complexes with transcription factor SutA (closed lobe)


ELECTRON MICROSCOPY
Sample
Pseudomonas aeruginosa RNAP sigmaS holoenzyme with transcription factor SutA complex(closed lobe)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Detailsblot 4 seconds before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles29531
Reported Resolution (Å)3.86
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 TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification64000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4
INITIAL EULER ASSIGNMENTRELION3.08
FINAL EULER ASSIGNMENTRELION3.08
CLASSIFICATIONRELION3.08
RECONSTRUCTIONRELION3.08
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE