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Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) receptor in Saposin A nanodisc in the long-lived symmetric resting state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6HUK
Sample Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) receptor in Saposin A nanodisc in the long-lived symmetric resting state
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 107000 Reported Resolution (Å) 2.9 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 TFS FALCON 4i (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 PARTICLE SELECTION Warp IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1 MODEL FITTING PHENIX MODEL REFINEMENT PHENIX 1.21_5207 INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT RELION CLASSIFICATION RELION RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 180638