Crystal structure of the peanut allergen Ara h 2 with two human derived Fab antibodies 22S1 and 23P34
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| D | Reovirus_L2_GTase | e9cmcD1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
| I | Reovirus_L2_GTase | e9cmcI1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
| N | Reovirus_L2_GTase | e9cmcN1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
| S [auth V] | Reovirus_L2_GTase | e9cmcV1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
| C | Reovirus_L2_GTase | e9cmcC1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
| H | Reovirus_L2_GTase | e9cmcH1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
| M | Reovirus_L2_GTase | e9cmcM1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
| R | Reovirus_L2_GTase | e9cmcR1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Reovirus_L2_GTase | ECOD (v295) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| Heavy Chain | IGHV3 | - | ara h 2 allergen | SAbDab (2026-06-26) | |
| Light Chain | IGKV2 | Kappa | ara h 2 allergen | SAbDab (2026-06-26) | |
| D, I, N, S [auth V] | Light Chain | IGKV1 | Kappa | ara h 2 allergen | SAbDab (2026-06-26) |
| Heavy Chain | IGHV3 | - | ara h 2 allergen | SAbDab (2026-06-26) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| Fab 23P34 heavy chain | - | - | - | |
| Fab 23P34 light chain | - | - | - | |
| D, I, N, S [auth V] | Fab 22S1 light chain | - | - | - |
| Ara h 2 allergen |
| - | - | |
| Fab 22S1 heavy chain | - | - | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR036312 | Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain superfamily | Homologous Superfamily | |
| IPR016140 | Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain | Domain | |
| IPR000617 | Napin/ 2S seed storage protein/Conglutin | Family |














