Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyInfluenza hemagglutinin domain-like 8087816 3001342 SCOP2B (2022-06-29)
BSCOP2 FamilyInfluenza hemagglutinin (stalk) 8088055 4003840 SCOP2 (2022-06-29)
BSCOP2 SuperfamilyInfluenza hemagglutinin (stalk) 8088056 3001616 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHemagglutinin_1ste4o58A1 A: beta sandwichesX: jelly-rollH: Viral protein domain (From Topology)T: Viral protein domainF: Hemagglutinin_1stECOD (1.6)
BHemagglutinin_2nde4o58B1 A: alpha bundlesX: Hemagglutinin HA2 chain (From Topology)H: Hemagglutinin HA2 chain (From Topology)T: Hemagglutinin HA2 chainF: Hemagglutinin_2ndECOD (1.6)
C [auth L]C1-sete4o58L1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
C [auth L]V-set_3e4o58L2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
D [auth H]V-set_8e4o58H2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
D [auth H]C1-set_1e4o58H1 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)
A3.90.209.20 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)
C [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
C [auth L]F045-092 Fab L-LAMBDA Homo sapiens (human) IGLV1-44*01, IGLJ2*01, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202449-0)
D [auth H]F045-092 Fab VH-CH1 Homo sapiens (human) IGHV1-69*01, IGHV1-69*06, IGHV1-69*12, IGHV1-69*13, IGHV1-69*14, IGHV1-69D*01, IGHJ6*01, IGHJ6*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202449-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
C [auth L]Light ChainIGLV1 Lambdahemagglutinin ha1 chainSAbDab (2024-12-13)
D [auth H]Heavy ChainIGHV1 -hemagglutinin ha1 chainSAbDab (2024-12-13)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00509Haemagglutinin (Hemagglutinin)Haemagglutinin- Family
PF00509Haemagglutinin (Hemagglutinin)Haemagglutinin- Family
D [auth H]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
D [auth H]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Hemagglutinin HA1 chain
Hemagglutinin HA2 chain
C [auth L]Fab F045-092 light chain---
D [auth H]Fab F045-092 heavy chain-