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CryoEM structure of human full-length alpha1beta3gamma2 GABA(A)R in complex with GARLH4, the TMD of Neuroligin2, Megabody38 and pregnenolone sulfate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6HUK
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.394 f_angle_d 0.696 f_chiral_restr 0.043 f_plane_restr 0.005 f_bond_d 0.004
Sample CryoEM structure of human full-length alpha1beta3gamma2 GABA(A)R in complex with GARLH4, the TMD of Neuroligin2, Megabody38 and pregnenolone sulfate
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 20534 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6HUK) Refinement Space REAL Refinement Protocol OTHER Refinement Target FSC at 0.5 Overall B Value 45 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 31.13
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 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 PARTICLE SELECTION Warp 1.0.9 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1 MODEL FITTING PHENIX 19.2 INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 19.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1449300