Annotations: 8G4P

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

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	7tm_1	e8g4pE01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: 7tm_1	ECOD (v295)
D [auth B]	7tm_1	e8g4pB01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: 7tm_1	ECOD (v295)
C [auth A]	7tm_1	e8g4pA01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: 7tm_1	ECOD (v295)
B [auth D]		e8g4pD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
A [auth C]		e8g4pC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D [auth B]	Light Chain	IGKV1	Kappa	ara h 2 allergen	SAbDab (2026-06-26)
C [auth A]	Heavy Chain	IGHV4	-	ara h 2 allergen	SAbDab (2026-06-26)
B [auth D]	Light Chain	IGKV3	Kappa	ara h 2 allergen	SAbDab (2026-06-26)
A [auth C]	Heavy Chain	IGHV3	-	ara h 2 allergen	SAbDab (2026-06-26)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E	PF00234	Protease inhibitor/seed storage/LTP family (Tryp_alpha_amyl)	Protease inhibitor/seed storage/LTP family	This 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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E	Ara h 2 allergen	nutrient reservoir activity cation binding ion binding binding metal ion binding small molecule binding	-	-
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	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E	IPR036312	Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain superfamily	Homologous Superfamily
E	IPR016140	Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain	Domain
E	IPR000617	Napin/ 2S seed storage protein/Conglutin	Family

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