Annotations: 9Q1L

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Diphtheria_C	e9q1lC1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Diphtheria_C	ECOD (v295.2)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth A], E [auth D]	Heavy Chain	IGHV4	-	vicilin jug r 2.0102 hairpinin alpha 4	SAbDab (2026-10-09)
A [auth B], D [auth E]	Light Chain	IGKV1	Kappa	vicilin jug r 2.0102 hairpinin alpha 4	SAbDab (2026-10-09)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, F	Vicilin Jug r 2.0102 hairpinin alpha 4	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding nutrient reservoir activity	-	membrane-bounded organelle storage vacuole intracellular anatomical structure vacuole intracellular membrane-bounded organelle protein storage vacuole intracellular organelle cellular anatomical structure organelle plant-type vacuole cytoplasm endoplasmic reticulum endomembrane system
B [auth A], E [auth D]	6D12 Fab Heavy Chain	-	-	-
A [auth B], D [auth E]	6D12 Fab light chain	-	-	-

Chains	Accession	Name	Type
C, F	IPR014710	PpnP-like, jelly roll fold	Homologous Superfamily
C, F	IPR006045	Cupin 1	Domain
C, F	IPR011051	RmlC-like cupin domain superfamily	Homologous Superfamily
C, F	IPR006792	Vicilin, N-terminal	Domain
C, F	IPR050253	Seed Storage and Functional Proteins	Family