Annotations: 2J88

Hyaluronidase in complex with a monoclonal IgG Fab fragment

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth L]	d2j88l1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain kappa variable domain, VL-kappa	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C [auth L]	d2j88l2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin light chain kappa constant domain, CL-kappa	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth H]	d2j88h1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d2j88a_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Bee venom hyaluronidase	automated matches	HONEY BEE (Apis mellifera ) [TaxId: 7460 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	(Trans)glycosidases	8035642	3000313	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	BT_3987-like_N	e2j88L3	A: alpha arrays	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Fusion glycoprotein F2	F: BT_3987-like_N	ECOD (v295.2)
B [auth H]	Alpha-mann_mid	e2j88H1	A: alpha arrays	X: barrel domains in phase 1 flagellin	H: barrel domains in phase 1 flagellin	T: barrel domains in phase 1 flagellin	F: Alpha-mann_mid	ECOD (v295.2)
A	NAD_binding_3	e2j88A1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C [auth L]	21E11 mAb, anti-Hyal	L-KAPPA	Mus musculus (house mouse)	IGKV12-4401, IGKJ101, IGKJ201, IGKC01, IGKC*02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202639-0)
B [auth H]	21E11 mAb, anti-Hyal	VH-CH1	Mus musculus (house mouse)	IGHV8-1201, IGHJ202, IGHJ203, IGHG102	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202639-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGKV12	Kappa	hyalurononglucosaminidase	SAbDab (2026-10-09)
B [auth H]	Heavy Chain	IGHV8	-	hyalurononglucosaminidase	SAbDab (2026-10-09)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L]	FAB	-	-	-
B [auth H]	FAB	-	-	-
A	HYALURONONGLUCOSAMINIDASE	IgE binding protein-containing complex binding binding immunoglobulin binding hyalurononglucosaminidase activity hydrolase activity, acting on glycosyl bonds hexosaminidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	carbohydrate metabolic process primary metabolic process metabolic process cellular process venom-mediated disruption of extracellular matrix in another organism biological process involved in interspecies interaction between organisms venom-mediated disruption of anatomical structure in another organism disruption of anatomical structure in another organism response to stimulus defense response response to stress	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001329	Glycoside hydrolase family 56, bee venom hyaluronidase	Family
A	IPR018155	Hyaluronidase	Family
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily