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Cryo-EM structure of the beta3 homomeric GABA(A) receptor in complex with HSM in the short-lived asymmetric open state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7A5V
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 8.95 f_angle_d 0.42 f_chiral_restr 0.039 f_plane_restr 0.003 f_bond_d 0.002
Sample Cryo-EM structure of the beta3 homomeric GABA(A) receptor in complex with HSM in the short-lived asymmetric open state
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 21000 Reported Resolution (Å) 3.4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7A5V) Refinement Space REAL Refinement Protocol OTHER Refinement Target FSC at 0.5 Overall B Value 30 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1400 Maximum Defocus (nm) 2400 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 96000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL REFINEMENT PHENIX 1.21.2_5419
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 8401972