Annotations: 1OAU

Fv Structure of the IgE SPE-7 in complex with DNP-Ser (immunising hapten)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family 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)
B [auth I]	d1oaui_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D [auth K]	d1oauk_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C [auth J]	d1oauj_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth H]	d1oauh_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
F [auth M]	d1oaum_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain lambda variable domain, VL-lambda	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
H [auth O]	d1oauo_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain lambda variable domain, VL-lambda	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
G [auth N]	d1oaun_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain lambda variable domain, VL-lambda	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E [auth L]	d1oaul_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain lambda variable domain, VL-lambda	HOUSE MOUSE (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth I]	PylS_N	e1oauI1	A: alpha arrays	X: OB-fold	H: Nucleic acid-binding protein	T: Nucleotidyltransferase	F: PylS_N	ECOD (v295.2)
D [auth K]	PI3K_C2	e1oauK2	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: PI3K_C2	ECOD (v295.2)
C [auth J]	Copper-bind	e1oauJ1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)
A [auth H]	Copper-bind	e1oauH1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)
F [auth M]	Copper-bind	e1oauM1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)
H [auth O]	Copper-bind	e1oauO1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)
G [auth N]	Copper-bind	e1oauN1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)
E [auth L]	Copper-bind	e1oauL1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Copper-bind	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth J]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H [auth O]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G [auth N]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	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
A [auth H], B [auth I], C [auth J], D [auth K]	SPE-7 Fv, anti-2,4-dinitrophenyl (DNP) IgE antibody SPE-7	VH	Mus musculus (house mouse)	IGHV1-7201, IGHJ201	V-DOMAIN VH	IG	FV-HEAVY_LAMBDA	IMGT (202633-0)
E [auth L], F [auth M], G [auth N], H [auth O]	SPE-7 Fv, anti-2,4-dinitrophenyl (DNP) IgE antibody SPE-7	V-LAMBDA	Mus musculus (house mouse)	IGLV101, IGLJ101	V-DOMAIN V-LAMBDA	IG	FV-HEAVY_LAMBDA	IMGT (202633-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth H], B [auth I], C [auth J], D [auth K]	Heavy Chain	IGHV1	-	2,4-DINITROPHENOL	SAbDab (2026-08-28)
E [auth L], F [auth M], G [auth N], H [auth O]	Light Chain	IGLV1	Lambda	2,4-DINITROPHENOL	SAbDab (2026-08-28)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth L], F [auth M], G [auth N], H [auth O]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth H], B [auth I], C [auth J], D [auth K]	IMMUNOGLOBULIN E	-	-	-
E [auth L], F [auth M], G [auth N], H [auth O]	IMMUNOGLOBULIN E	-	response to stimulus immune response immune system process adaptive immune response	protein-containing complex immunoglobulin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth L], F [auth M], G [auth N], H [auth O]	IPR050150	Immunoglobulin Variable Light Chain	Family
E [auth L], F [auth M], G [auth N], H [auth O]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E [auth L], F [auth M], G [auth N], H [auth O]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E [auth L], F [auth M], G [auth N], H [auth O]	IPR013106	Immunoglobulin V-set domain	Domain
E [auth L], F [auth M], G [auth N], H [auth O]	IPR003599	Immunoglobulin domain subtype	Domain
E [auth L], F [auth M], G [auth N], H [auth O]	IPR007110	Immunoglobulin-like domain	Domain

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.