Human GluN1a-GluN2A-GluN2C triheteromeric NMDA receptor in complex with Nb-4
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| E | V-set_8 | e8e99E1 | 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) |
| B | ANF_receptor_3rd | e8e99B4 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: ANF_receptor_3rd | ECOD (1.6) |
| B | ANF_receptor_2nd | e8e99B3 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: ANF_receptor_2nd | ECOD (1.6) |
| B | SBP_bac_3_1st | e8e99B2 | A: a/b three-layered sandwiches | X: Periplasmic binding protein-like II (From Topology) | H: Periplasmic binding protein-like II (From Topology) | T: Periplasmic binding protein-like II | F: SBP_bac_3_1st | ECOD (1.6) |
| B | Lig_chan_5 | e8e99B1 | A: a/b three-layered sandwiches | X: Periplasmic binding protein-like II (From Topology) | H: Periplasmic binding protein-like II (From Topology) | T: Periplasmic binding protein-like II | F: Lig_chan_5 | ECOD (1.6) |
| C | ANF_receptor_3rd | e8e99C1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: ANF_receptor_3rd | ECOD (1.6) |
| C | ANF_receptor_2nd,ANF_receptor_1st | e8e99C3 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: ANF_receptor_2nd,ANF_receptor_1st | ECOD (1.6) |
| C | SBP_bac_3_1st | e8e99C2 | A: a/b three-layered sandwiches | X: Periplasmic binding protein-like II (From Topology) | H: Periplasmic binding protein-like II (From Topology) | T: Periplasmic binding protein-like II | F: SBP_bac_3_1st | ECOD (1.6) |
| C | Lig_chan_1 | e8e99C4 | A: a/b three-layered sandwiches | X: Periplasmic binding protein-like II (From Topology) | H: Periplasmic binding protein-like II (From Topology) | T: Periplasmic binding protein-like II | F: Lig_chan_1 | ECOD (1.6) |
| A | ANF_receptor_3rd | e8e99A4 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: ANF_receptor_3rd | ECOD (1.6) |
| A | ANF_receptor_2nd,ANF_receptor_1st | e8e99A2 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: Periplasmic binding protein-like I | F: ANF_receptor_2nd,ANF_receptor_1st | ECOD (1.6) |
| A | SBP_bac_3_1st | e8e99A1 | A: a/b three-layered sandwiches | X: Periplasmic binding protein-like II (From Topology) | H: Periplasmic binding protein-like II (From Topology) | T: Periplasmic binding protein-like II | F: SBP_bac_3_1st | ECOD (1.6) |
| A | Lig_chan_1 | e8e99A3 | A: a/b three-layered sandwiches | X: Periplasmic binding protein-like II (From Topology) | H: Periplasmic binding protein-like II (From Topology) | T: Periplasmic binding protein-like II | F: Lig_chan_1 | ECOD (1.6) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| Heavy Chain | IGHV1 | - | glutamate receptor ionotropic, nmda 2a | SAbDab (2025-11-14) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF01094 | Receptor family ligand binding region (ANF_receptor) | Receptor family ligand binding region | This family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure. | Domain | |
| PF10613 | Ligated ion channel L-glutamate- and glycine-binding site (Lig_chan-Glu_bd) | Ligated ion channel L-glutamate- and glycine-binding site | This region, sometimes called the S1 domain, is the luminal domain just upstream of the first, M1, transmembrane region of transmembrane ion-channel proteins, and it binds L-glutamate and glycine [2]. It is found in association with Lig_chan, Pfam:PF ... | Domain | |
| PF01094 | Receptor family ligand binding region (ANF_receptor) | Receptor family ligand binding region | This family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure. | Domain | |
| PF10613 | Ligated ion channel L-glutamate- and glycine-binding site (Lig_chan-Glu_bd) | Ligated ion channel L-glutamate- and glycine-binding site | This region, sometimes called the S1 domain, is the luminal domain just upstream of the first, M1, transmembrane region of transmembrane ion-channel proteins, and it binds L-glutamate and glycine [2]. It is found in association with Lig_chan, Pfam:PF ... | Domain | |
| PF01094 | Receptor family ligand binding region (ANF_receptor) | Receptor family ligand binding region | This family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure. | Domain | |
| PF10613 | Ligated ion channel L-glutamate- and glycine-binding site (Lig_chan-Glu_bd) | Ligated ion channel L-glutamate- and glycine-binding site | This region, sometimes called the S1 domain, is the luminal domain just upstream of the first, M1, transmembrane region of transmembrane ion-channel proteins, and it binds L-glutamate and glycine [2]. It is found in association with Lig_chan, Pfam:PF ... | Domain |
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: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Channels: Other Ion Channels | GluN1a/GluN2A/GluN2C NMDA receptor in complex with Nb-4 |














