9FAM | pdb_00009fam

CryoEM structure of human full-length alpha1beta3gamma2 GABA(A)R in complex with GARLH4, the TMD of Neuroligin2, GABA and Megabody38 in a desensitised state (StateD3)

ELECTRON MICROSCOPY

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6HUO

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.04
f_angle_d	0.671
f_chiral_restr	0.043
f_bond_d	0.004
f_plane_restr	0.004

Sample
CryoEM structure of human full-length alpha1beta3gamma2 GABA(A)R in complex with GARLH4, the TMD of Neuroligin2, GABA and Megabody38 in a desensitised state (StateD3)

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	7078
Reported Resolution (Å)	3.5
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (6HUO)
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)	46.6

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	TFS KRIOS
Minimum Defocus (nm)	700
Maximum Defocus (nm)	2100
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	130000
Calibrated Magnification	130000
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
MODEL REFINEMENT	PHENIX	19.2
INITIAL EULER ASSIGNMENT	cryoSPARC
FINAL EULER ASSIGNMENT	RELION	3.1
CLASSIFICATION	RELION	3.1
RECONSTRUCTION	RELION	3.1

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		2151332