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cryo-EM structure of Escherichia coli Crl transcription activation complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5IPL experimental model PDB 4Q11
Sample Escherichia coli Crl transcription activation complex(Crl-TAC)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 8 seconds before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 184208 Reported Resolution (Å) 3.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (5IPL, 4Q11) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 1.675
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 2000 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM MODEL FITTING UCSF Chimera 1.10.2 MODEL REFINEMENT PHENIX 1.14 INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT RELION 3.0 CLASSIFICATION RELION 3.0 RECONSTRUCTION RELION 3.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 315977