Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth B]SCOP2B SuperfamilyInfluenza hemagglutinin domain-like 8087886 3001342 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth B]Hemagglutinin_1ste6e4xB1 A: beta sandwichesX: jelly-rollH: Viral protein domain (From Topology)T: Viral protein domainF: Hemagglutinin_1stECOD (1.6)
B [auth Y]C1-set_4e6e4xY1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
B [auth Y]V-sete6e4xY2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
C [auth Z]V-set_8e6e4xZ2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
C [auth Z]C1-set_1e6e4xZ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth B]2.10.77.10 Mainly Beta Ribbon Hemagglutinin Chain A, domain 2CATH (utative)
A [auth B]3.90.209.20 Alpha Beta Alpha-Beta Complex Hemagglutinin (Ha1 Chain) Chain: ACATH (utative)
B [auth Y]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C [auth Z]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth Y]Light ChainIGKV1 KappahemagglutininSAbDab (2024-12-20)
C [auth Z]Heavy ChainIGHV4 -hemagglutininSAbDab (2024-12-20)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth B]PF00509Haemagglutinin (Hemagglutinin)Haemagglutinin- Family
B [auth Y]PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.Domain
B [auth Y]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth B]Hemagglutinin
B [auth Y]S5V2-29 light chain -
C [auth Z]S5V2-29 heavy chain---