Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyInfluenza hemagglutinin headpiece8096009 4002506 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyInfluenza hemagglutinin domain-like8096010 3001342 SCOP2 (2022-06-29)
BSCOP2 FamilyInfluenza hemagglutinin (stalk)8088031 4003840 SCOP2 (2022-06-29)
BSCOP2 SuperfamilyInfluenza hemagglutinin (stalk)8088032 3001616 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHemagglutinin_1ste4r8wA1 A: beta sandwichesX: jelly-rollH: Viral protein domain (From Topology)T: Viral protein domainF: Hemagglutinin_1stECOD (1.6)
BHemagglutinin_2nde4r8wB1 A: alpha bundlesX: Hemagglutinin HA2 chain (From Topology)H: Hemagglutinin HA2 chain (From Topology)T: Hemagglutinin HA2 chainF: Hemagglutinin_2ndECOD (1.6)
C [auth H]V-set_8e4r8wH1 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 L]V-sete4r8wL1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (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)
B3.90.20.10 Alpha Beta Alpha-Beta Complex Hemagglutinin Ectodomain Chain BCATH (4.3.0)
C [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D [auth L]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 H]CT149 Fab VH-CH1 Homo sapiens (human) IGHV1-18*01, IGHV1-18*04, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202415-0)
D [auth L]CT149 Fab L-KAPPA Homo sapiens (human) IGKV3-20*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202415-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
C [auth H]Heavy ChainIGHV1 -hemagglutinin | hemagglutininSAbDab (2024-04-19)
D [auth L]Light ChainIGKV3 Kappahemagglutinin | hemagglutininSAbDab (2024-04-19)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
C [auth H] Navivumab Influenza A HATherapeutic SAbDab (2024-04-19)
D [auth L] Navivumab Influenza A HATherapeutic SAbDab (2024-04-19)

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
Hemagglutinin
C [auth H]Heavy chain of neutralizing antibody CT149---
D [auth L]Light chain of neutralizing antibody CT149---