Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyInfluenza hemagglutinin headpiece 8087879 4002506 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyInfluenza hemagglutinin domain-like 8087880 3001342 SCOP2 (2022-06-29)
CSCOP2B SuperfamilyInfluenza hemagglutinin domain-like 8087880 3001342 SCOP2B (2022-06-29)
BSCOP2 FamilyInfluenza hemagglutinin (stalk) 8087999 4003840 SCOP2 (2022-06-29)
BSCOP2 SuperfamilyInfluenza hemagglutinin (stalk) 8088000 3001616 SCOP2 (2022-06-29)
DSCOP2B SuperfamilyInfluenza hemagglutinin (stalk) 8088000 3001616 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHemagglutinin_1ste5tg8A1 A: beta sandwichesX: jelly-rollH: Viral protein domain (From Topology)T: Viral protein domainF: Hemagglutinin_1stECOD (1.6)
CHemagglutinin_1ste5tg8C1 A: beta sandwichesX: jelly-rollH: Viral protein domain (From Topology)T: Viral protein domainF: Hemagglutinin_1stECOD (1.6)
BHemagglutinin_2nde5tg8B1 A: alpha bundlesX: Hemagglutinin HA2 chain (From Topology)H: Hemagglutinin HA2 chain (From Topology)T: Hemagglutinin HA2 chainF: Hemagglutinin_2ndECOD (1.6)
DHemagglutinin_2nde5tg8D1 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)
A2.10.77.10 Mainly Beta Ribbon Hemagglutinin Chain A, domain 2CATH (4.3.0)
A3.90.209.20 Alpha Beta Alpha-Beta Complex Hemagglutinin (Ha1 Chain) Chain: ACATH (4.3.0)
C2.10.77.10 Mainly Beta Ribbon Hemagglutinin Chain A, domain 2CATH (4.3.0)
C3.90.209.20 Alpha Beta Alpha-Beta Complex Hemagglutinin (Ha1 Chain) Chain: ACATH (4.3.0)
B3.90.20.10 Alpha Beta Alpha-Beta Complex Hemagglutinin Ectodomain Chain BCATH (4.3.0)
D3.90.20.10 Alpha Beta Alpha-Beta Complex Hemagglutinin Ectodomain Chain BCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, C
PF00509Haemagglutinin (Hemagglutinin)Haemagglutinin- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, C
Hemagglutinin HA1 chain
B, D
Hemagglutinin HA2 chain