9faq

CryoEM structure of human full-length alpha1beta3gamma2 GABA(A)R in complex with GARLH4, the TMD of Neuroligin2 and Megabody38 in a closed state (StateC2)

Method: ELECTRON MICROSCOPY Dmax: 142.9 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Gamma-aminobutyric acid receptor subunit alpha-1

Homo sapiens

UniProt P14867

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 8 其他Polymer 6 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 39–443 Chain D; UniProt 39–443 Not recorded Gamma-aminobutyric acid receptor subunit beta-3 × 2 (P28472) Isoform 2 of Gamma-aminobutyric acid receptor subunit gamma-2 × 1 (P18507) Neuroligin-2 × 1 (Q8NFZ4) LHFPL tetraspan subfamily member 4 protein × 1 (Q7Z7J7) Megabody38 × 1 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 2 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 5 D10 DECANE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PLM PALMITIC ACID × 5 CLR CHOLESTEROL × 1 PX2 1,2-DILAUROYL-SN-GLYCERO-3-PHOSPHATE × 1 HEX HEXANE × 2 CL CHLORIDE ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;15 mM Hepes pH 7.4, 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

83 other PDB entries and 85 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBRA1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–405; UniProt 39–443 Author chain D; PDBConstruct 1–405; UniProt 39–443

Gamma-aminobutyric acid receptor subunit beta-3

Homo sapiens

UniProt P28472

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 8 其他Polymer 6 PDB declaration: octameric(8) Consistent with protein copy count Chain B; UniProt 34–472 Chain E; UniProt 34–472 Not recorded Gamma-aminobutyric acid receptor subunit alpha-1 × 2 (P14867) Isoform 2 of Gamma-aminobutyric acid receptor subunit gamma-2 × 1 (P18507) Neuroligin-2 × 1 (Q8NFZ4) LHFPL tetraspan subfamily member 4 protein × 1 (Q7Z7J7) Megabody38 × 1 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 2 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 5 D10 DECANE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PLM PALMITIC ACID × 5 CLR CHOLESTEROL × 1 PX2 1,2-DILAUROYL-SN-GLYCERO-3-PHOSPHATE × 1 HEX HEXANE × 2 CL CHLORIDE ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;15 mM Hepes pH 7.4, 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

94 other PDB entries and 94 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBRB3_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–439; UniProt 34–472 Author chain E; PDBConstruct 1–439; UniProt 34–472

Isoform 2 of Gamma-aminobutyric acid receptor subunit gamma-2

Homo sapiens

UniProt P18507

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 8 其他Polymer 6 PDB declaration: octameric(8) Consistent with protein copy count Chain C; UniProt 66–467 Non-standard monomer:Yes (specific site not provided by mmCIF) Gamma-aminobutyric acid receptor subunit alpha-1 × 2 (P14867) Gamma-aminobutyric acid receptor subunit beta-3 × 2 (P28472) Neuroligin-2 × 1 (Q8NFZ4) LHFPL tetraspan subfamily member 4 protein × 1 (Q7Z7J7) Megabody38 × 1 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 2 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 5 D10 DECANE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PLM PALMITIC ACID × 5 CLR CHOLESTEROL × 1 PX2 1,2-DILAUROYL-SN-GLYCERO-3-PHOSPHATE × 1 HEX HEXANE × 2 CL CHLORIDE ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;15 mM Hepes pH 7.4, 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

70 other PDB entries and 70 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GBRG2_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–402; UniProt 66–467

Neuroligin-2

Homo sapiens

UniProt Q8NFZ4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 8 其他Polymer 6 PDB declaration: octameric(8) Consistent with protein copy count Chain H; UniProt 668–700 Not recorded Gamma-aminobutyric acid receptor subunit alpha-1 × 2 (P14867) Gamma-aminobutyric acid receptor subunit beta-3 × 2 (P28472) Isoform 2 of Gamma-aminobutyric acid receptor subunit gamma-2 × 1 (P18507) LHFPL tetraspan subfamily member 4 protein × 1 (Q7Z7J7) Megabody38 × 1 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 2 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 5 D10 DECANE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PLM PALMITIC ACID × 5 CLR CHOLESTEROL × 1 PX2 1,2-DILAUROYL-SN-GLYCERO-3-PHOSPHATE × 1 HEX HEXANE × 2 CL CHLORIDE ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;15 mM Hepes pH 7.4, 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

13 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NLGN2_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain H; PDBConstruct 1–33; UniProt 668–700

LHFPL tetraspan subfamily member 4 protein

Homo sapiens

UniProt Q7Z7J7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 8 其他Polymer 6 PDB declaration: octameric(8) Consistent with protein copy count Chain L; UniProt 11–203 Not recorded Gamma-aminobutyric acid receptor subunit alpha-1 × 2 (P14867) Gamma-aminobutyric acid receptor subunit beta-3 × 2 (P28472) Isoform 2 of Gamma-aminobutyric acid receptor subunit gamma-2 × 1 (P18507) Neuroligin-2 × 1 (Q8NFZ4) Megabody38 × 1 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 2 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 5 D10 DECANE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 PLM PALMITIC ACID × 5 CLR CHOLESTEROL × 1 PX2 1,2-DILAUROYL-SN-GLYCERO-3-PHOSPHATE × 1 HEX HEXANE × 2 CL CHLORIDE ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;15 mM Hepes pH 7.4, 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.90 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

11 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LHPL4_HUMAN
Isoform
PDB entities 5
Chains and sequence ranges Author chain L; PDBConstruct 1–193; UniProt 11–203

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 9faq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9faq
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9faq
Deposition date deposition_date2024-05-10
Structure title titleCryoEM structure of human full-length alpha1beta3gamma2 GABA(A)R in complex with GARLH4, the TMD of Neuroligin2 and Megabody38 in a closed state (StateC2)
Keywords keywordsGABA, Neurotransmission, Ternary complex, Inhibitory synapse, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier41.89
Radius of gyration Rg (electron density) rg_electron41.38
Forward intensity I(0) i0809131000.00
Molecular weight molecular_weight251180.0 kDa
Excluded volume excluded_volume321010 ų
Envelope volume envelope_volume407290 ų
Hydration-shell volume shell_volume79315 ų
Envelope diameter envelope_diameter151.4
Shell Rg shell_rg48.66
Envelope Rg envelope_rg41.31
Shape Rg shape_rg41.38
Total Rg total_rg41.75
Total atoms total_atoms17676
Residues n_residues2062
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax142.9
Rg (real space) rg_real41.81
Rg uncertainty (real space) rg_real_error1.05
I(0) (real space) i0_real8.0910e+08
I(0) uncertainty (real space) i0_real_error1.2680e+07
Rg (reciprocal space) rg_reciprocal41.89
I(0) (reciprocal space) i0_reciprocal809200000.0000
Solution quality estimate total_estimate0.8742
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.9
Skewness Skewness skewness0.296
Kurtosis Kurtosis kurtosis-0.358
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha118100000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.795; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (19)

8. Citations (1)

9. Files and Curves (10)