Human GABAA receptor alpha1-beta2-gamma2 subtype in complex with GABA plus picrotoxin
External Resource: Annotation
- Domain Annotation: SCOP/SCOPe Classification
 - Domain Annotation: ECOD Classification
 - IMGT Antibody Annotation
 - SAbDab Antibody Annotation
 - Protein Family Annotation
 - Gene Ontology: Gene Product Annotation
 - InterPro: Protein Family Classification
 - Pharos: Disease Associations
 - Membrane Protein Annotation: OPM
 - Membrane Protein Annotation: PDBTM
 - Membrane Protein Annotation: MemProtMD
 - Membrane Protein Annotation: mpstruc
 
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) | 
|---|---|---|---|---|---|---|---|---|
| H [auth L] | d6x40l1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) | 
| F [auth I] | d6x40i_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) | 
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) | 
|---|---|---|---|---|---|---|---|---|
| I [auth K] | V-set_8 | e6x40K1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) | 
| G [auth J] | V-set_8 | e6x40J1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) | 
| H [auth L] | V-set | e6x40L1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) | 
| F [auth I] | V-set | e6x40I1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) | 
| E | Neur_chan_LBD | e6x40E1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Nicotinic receptor ligand binding domain-like (From Topology) | T: Nicotinic receptor ligand binding domain-like | F: Neur_chan_LBD | ECOD (1.6) | 
| E | Neur_chan_memb | e6x40E2 | A: alpha bundles | X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | T: Neurotransmitter-gated ion-channel transmembrane pore | F: Neur_chan_memb | ECOD (1.6) | 
| D | Neur_chan_LBD | e6x40D2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Nicotinic receptor ligand binding domain-like (From Topology) | T: Nicotinic receptor ligand binding domain-like | F: Neur_chan_LBD | ECOD (1.6) | 
| D | Neur_chan_memb | e6x40D1 | A: alpha bundles | X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | T: Neurotransmitter-gated ion-channel transmembrane pore | F: Neur_chan_memb | ECOD (1.6) | 
| B | Neur_chan_LBD | e6x40B2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Nicotinic receptor ligand binding domain-like (From Topology) | T: Nicotinic receptor ligand binding domain-like | F: Neur_chan_LBD | ECOD (1.6) | 
| B | Neur_chan_memb | e6x40B1 | A: alpha bundles | X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | T: Neurotransmitter-gated ion-channel transmembrane pore | F: Neur_chan_memb | ECOD (1.6) | 
| C | Neur_chan_LBD | e6x40C1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Nicotinic receptor ligand binding domain-like (From Topology) | T: Nicotinic receptor ligand binding domain-like | F: Neur_chan_LBD | ECOD (1.6) | 
| C | Neur_chan_memb | e6x40C2 | A: alpha bundles | X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | T: Neurotransmitter-gated ion-channel transmembrane pore | F: Neur_chan_memb | ECOD (1.6) | 
| A | Neur_chan_LBD | e6x40A1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Nicotinic receptor ligand binding domain-like (From Topology) | T: Nicotinic receptor ligand binding domain-like | F: Neur_chan_LBD | ECOD (1.6) | 
| A | Neur_chan_memb | e6x40A2 | A: alpha bundles | X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology) | T: Neurotransmitter-gated ion-channel transmembrane pore | F: Neur_chan_memb | ECOD (1.6) | 
IMGT Antibody Annotation IMGT Database Homepage
| Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source | 
|---|---|---|---|---|---|---|---|---|
|  G [auth J], I [auth K]  | type A receptor alpha-1 beta-2 gamma-2 subtype [Homo sapiens] | H-GAMMA-2B | Mus musculus (house mouse) | IGHV14-3*02, IGHJ4*01, IGHG2B*02 | V-DOMAIN VH, C-DOMAIN CH1, C-DOMAIN CH2, C-DOMAIN CH3 | IG | IG-GAMMA-2B_KAPPA | IMGT (202541-0) | 
|  F [auth I], H [auth L]  | type A receptor alpha-1 beta-2 gamma-2 subtype [Homo sapiens] | L-KAPPA | Mus musculus (house mouse) | IGKV6-20*01, IGKJ5*01, IGKJ2-3*01, IGKJ2-1*01, IGKJ2-2*01, IGKC*01, IGKC*02 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | IG-GAMMA-2B_KAPPA | IMGT (202541-0) | 
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source | 
|---|---|---|---|---|---|
|  G [auth J], I [auth K]  | Heavy Chain | IGHV14 | - | gamma-aminobutyric acid receptor subunit alpha-1 | SAbDab (2025-10-24) | 
|  F [auth I], H [auth L]  | Light Chain | IGKV6 | Kappa | gamma-aminobutyric acid receptor subunit alpha-1 | SAbDab (2025-10-24) | 
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source | 
|---|---|---|---|---|---|
| PF02932 | Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb) | Neurotransmitter-gated ion-channel transmembrane region | - | Family | |
| PF02931 | Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD) | Neurotransmitter-gated ion-channel ligand binding domain | - | Family | |
| PF02932 | Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb) | Neurotransmitter-gated ion-channel transmembrane region | - | Family | |
| PF02931 | Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD) | Neurotransmitter-gated ion-channel ligand binding domain | - | Family | |
| PF02932 | Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb) | Neurotransmitter-gated ion-channel transmembrane region | - | Family | |
| PF02931 | Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD) | Neurotransmitter-gated ion-channel ligand binding domain | - | Family | 
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Pharos: Disease Associations Pharos Homepage Annotation
Membrane Protein Annotation: OPM OPM Database Homepage
| Chains | External Link | Type | Class | Superfamily | Family | 
|---|---|---|---|---|---|
| OPM | Transmembrane | Alpha-helical polytopic | Pentameric ligand-gated ion channels | Ligand-gated ion channel of neurotransmitter receptors | 
Membrane Protein Annotation: PDBTM PDBTM Database Homepage
Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein | 
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Cys-Loop Receptor Family | GABAA receptor (α1β2γ2) in complex with bicuculline methbromide | 














