Crystal structure of the peanut allergen Ara h 2 bound by two neutralizing antibodies 13T1 and 13T5


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
E7tm_1e8g4pE01 A: beta barrelsX: Rossmann-likeH: Rossmann-relatedT: FAD/NAD(P)-binding domainF: 7tm_1ECOD (v294.2)
D [auth B]7tm_1e8g4pB01 A: beta barrelsX: Rossmann-likeH: Rossmann-relatedT: FAD/NAD(P)-binding domainF: 7tm_1ECOD (v294.2)
C [auth A]7tm_1e8g4pA01 A: beta barrelsX: Rossmann-likeH: Rossmann-relatedT: FAD/NAD(P)-binding domainF: 7tm_1ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
D [auth B]Light ChainIGKV1 Kappaara h 2 allergenSAbDab (2026-05-08)
C [auth A]Heavy ChainIGHV4 -ara h 2 allergenSAbDab (2026-05-08)
B [auth D]Light ChainIGKV3 Kappaara h 2 allergenSAbDab (2026-05-08)
A [auth C]Heavy ChainIGHV3 -ara h 2 allergenSAbDab (2026-05-08)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00234Protease inhibitor/seed storage/LTP family (Tryp_alpha_amyl)Protease inhibitor/seed storage/LTP familyThis family is composed of trypsin-alpha amylase inhibitors, seed storage proteins and lipid transfer proteins from plants. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Ara h 2 allergen - -
D [auth B]13T5 Fab light chain---
C [auth A]13T5 Fab heavy chain---
B [auth D]13T1 Fab light chain---
A [auth C]13t1 Fab heavy chain---