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a5b3 GABAAR bound to Etomidate, GABA, and Mb25 in a desensitized state in saposin nanodiscs
Sample heteromeric assembly of 2 a5 and 3 b3 subunits bound to 1 Mb25
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 115926 Reported Resolution (Å) 3.32 Resolution Method FSC 0.143 CUT-OFF Other Details Final refinement performed with blush regularization Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details Initial rigid body fit in Chimerax followed by Isolde refinement then Phenix
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 40.01
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 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 FITTING PHENIX RECONSTRUCTION RELION 5.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION