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The E. coli class-II CAP-dependent transcription activation complex with de novo RNA transcript at the state 2
Sample The E. coli class-II CAP-dependent transcription activation complex with de novo RNA transcript at the state 2 Sample Components DNA-directed RNA polymerase subunit alpha, DNA-directed RNA polymerase subunit beta, DNA-directed RNA polymerase subunit beta', DNA-directed RNA polymerase subunit omega, RNA polymerase sigma factor RpoD, cAMP-activated global transcriptional regulator CRP DNA/RNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 3 seconds before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 33455 Reported Resolution (Å) 4.35 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 36
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 96000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Direct alignments: Beam tilt pivot points, Beam shift, Comma Free. C2 aperture centering, C2 lens astigmatism correction. Objective aperture centering and objective lens astigmatism correction.
EM Software Task Software Package Version IMAGE ACQUISITION EPU CLASSIFICATION cisTEM RECONSTRUCTION cisTEM
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE