Crystal structure of the peanut allergen Ara h 9 with bound Fab IGX-3103 and antiFab nanobody


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
C [auth K]Beta-Caspe9ncdK1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: Beta-CaspECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
C [auth K]Heavy ChainIGHV1 -N-ACETYL-D-GLUCOSAMINESAbDab (2026-06-05)
B [auth H]Heavy ChainIGHV3 -non-specific lipid-transfer proteinSAbDab (2026-06-05)
A [auth L]Light ChainIGKV1 Kappanon-specific lipid-transfer proteinSAbDab (2026-06-05)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
D [auth A]Non-specific lipid-transfer protein -
C [auth K]anti Kappa light chain nanobody (antiFab)---
B [auth H]Fab IGX-3103 heavy chain---
A [auth L]Fab IGX-3103 light chain---