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E. coli Core Signaling Unit, carrying QQQQ receptor mutation
Sample core signaling complex of bacterial chemotaxis
Specimen Preparation Sample Aggregation State 2D ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SUBTOMOGRAM AVERAGING Number of Particles 91636 Reported Resolution (Å) 8.38 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target global correlation coefficeint Overall B Value Fitting Procedure Details MDFF was used to flexible fit atomic models of E. coli chemosensory proteins
Data Acquisition Detector Type GATAN ULTRASCAN 4000 (4k x 4k) Electron Dose (electrons/Å**2) 1.3
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI POLARA 300 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 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 MODEL REFINEMENT MDFF
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION