Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyInfluenza hemagglutinin (stalk) 8088072 3001616 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHemagglutinin_1ste6ns9A1 A: beta sandwichesX: jelly-rollH: Viral protein domain (From Topology)T: Viral protein domainF: Hemagglutinin_1stECOD (1.6)
BHemagglutinin_2nde6ns9B1 A: alpha bundlesX: Hemagglutinin HA2 chain (From Topology)H: Hemagglutinin HA2 chain (From Topology)T: Hemagglutinin HA2 chainF: Hemagglutinin_2ndECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.90.209.20 Alpha Beta Alpha-Beta Complex Hemagglutinin (Ha1 Chain) Chain: ACATH (utative)
B3.90.20.10 Alpha Beta Alpha-Beta Complex Hemagglutinin Ectodomain Chain BCATH (utative)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00509Haemagglutinin (Hemagglutinin)Haemagglutinin- Family
PF00509Haemagglutinin (Hemagglutinin)Haemagglutinin- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Hemagglutinin HA1 chain
Hemagglutinin HA2 chain