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Cryo-EM structure of the alpha1beta3gamma2 GABA(A) receptor in complex with Nb38 in the long-lived symmetric resting state
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 10.4832 f_angle_d 0.4194 f_chiral_restr 0.0399 f_plane_restr 0.0035 f_bond_d 0.0021
Sample Cryo-EM structure of the alpha1beta3gamma2 GABA(A) receptor in complex with Nb38 in the long-lived symmetric resting 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 60000 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6HUK) Refinement Space REAL Refinement Protocol OTHER Refinement Target FSC at 0.5 Overall B Value 30 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2200 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 105000 Calibrated Magnification 105000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1 MODEL FITTING PHENIX MODEL REFINEMENT PHENIX 1.21_5207 INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 550453