Annotations: 9IHC

CryoEM structure of a synthetic antibody, COP-2, in complex with the C-terminal domain of Clostridium perfringens Enterotoxin

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody 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)
B [auth H]	Stathmin	e9ihcH01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Stathmin	ECOD (v294.2)
C [auth L]	Stathmin	e9ihcL01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Stathmin	ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV3	-	heat-labile enterotoxin b chain	SAbDab (2026-05-08)
C [auth L]	Light Chain	IGKV1	Kappa	heat-labile enterotoxin b chain	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Heat-labile enterotoxin B chain	toxin activity	-	cellular anatomical structure extracellular region
B [auth H]	COP-2 antibody heavy chain	-	-	-
C [auth L]	COP-2 antibody light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR003897	Clostridium enterotoxin	Family

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