Human GABAA receptor alpha1-beta2-gamma2 subtype in complex with GABA plus flumazenil
External Resource: Annotation
- 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: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| I [auth K] | e6x3uK1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| G [auth J] | e6x3uJ1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| H [auth L] | e6x3uL1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| F [auth I] | e6x3uI1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| E | e6x3uE1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| D | e6x3uD1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| B | e6x3uB1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| C | e6x3uC1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) | |
| A | e6x3uA1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: Pro_isomerase | F: | ECOD (20:10:01) |
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 | FAB-GAMMA-2B_KAPPA | IMGT (202609-0) |
| 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 | FAB-GAMMA-2B_KAPPA | IMGT (202609-0) |
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 (2026-03-13) |
| F [auth I], H [auth L] | Light Chain | IGKV6 | Kappa | gamma-aminobutyric acid receptor subunit alpha-1 | SAbDab (2026-03-13) |
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 |














