Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
L [auth B]G-gammae7shyB1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
I [auth H]G-gammae7shyH1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
H [auth G]G-gammae7shyG1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
G [auth A]G-gammae7shyA1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
K [auth F]G-gammae7shyF1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
F [auth D]G-gammae7shyD1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
E [auth L]G-gammae7shyL1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
D [auth J]G-gammae7shyJ1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
J [auth E]G-gammae7shyE1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
CG-gammae7shyC1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
B [auth K]G-gammae7shyK1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)
A [auth I]G-gammae7shyI1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: G-gammaECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
D [auth J],
E [auth L],
F [auth D],
K [auth F]
Light ChainIGKV1 Kappaige fcSAbDab (2026-04-10)
A [auth I],
B [auth K],
C,
J [auth E]
Heavy ChainIGHV3 -ige fcSAbDab (2026-04-10)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
D [auth J],
E [auth L],
F [auth D],
K [auth F]
Omalizumab IGHETherapeutic SAbDab (2026-04-10)
A [auth I],
B [auth K],
C,
J [auth E]
Omalizumab IGHETherapeutic SAbDab (2026-04-10)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
G [auth A],
H [auth G],
I [auth H],
L [auth B]
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
G [auth A],
H [auth G],
I [auth H],
L [auth B]
IgE Fc
D [auth J],
E [auth L],
F [auth D],
K [auth F]
Omalizumab VL---
A [auth I],
B [auth K],
C,
J [auth E]
Omalizumab VH---