4UNX | pdb_00004unx

Structure of the A_Equine_Newmarket_2_93 H3 haemagglutinin in complex with 3SLN

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8087822	3001342	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8087822	3001342	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8087822	3001342	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Abhydrolase_1	e4unxA1	A: alpha bundles	X: alpha/beta-Hydrolases	H: alpha/beta-Hydrolases	T: alpha/beta-Hydrolases	F: Abhydrolase_1	ECOD (develop294)
C	Abhydrolase_1	e4unxC1	A: alpha bundles	X: alpha/beta-Hydrolases	H: alpha/beta-Hydrolases	T: alpha/beta-Hydrolases	F: Abhydrolase_1	ECOD (develop294)
E	Abhydrolase_1	e4unxE1	A: alpha bundles	X: alpha/beta-Hydrolases	H: alpha/beta-Hydrolases	T: alpha/beta-Hydrolases	F: Abhydrolase_1	ECOD (develop294)
B	Abhydrolase_1	e4unxB1	A: alpha bundles	X: alpha/beta-Hydrolases	H: alpha/beta-Hydrolases	T: alpha/beta-Hydrolases	F: Abhydrolase_1	ECOD (develop294)
D	Abhydrolase_1	e4unxD1	A: alpha bundles	X: alpha/beta-Hydrolases	H: alpha/beta-Hydrolases	T: alpha/beta-Hydrolases	F: Abhydrolase_1	ECOD (develop294)
F	Abhydrolase_1	e4unxF1	A: alpha bundles	X: alpha/beta-Hydrolases	H: alpha/beta-Hydrolases	T: alpha/beta-Hydrolases	F: Abhydrolase_1	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
C	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
E	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
B	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
D	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
F	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E	H3 HAEMAGGLUTININ HA1 CHAIN	host cell surface binding binding host cell surface receptor binding	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization vesicle-mediated transport biological process involved in interaction with host biological process involved in symbiotic interaction localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host cellular process clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular component organization or biogenesis virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane
B, D, F	H3 HAEMAGGLUTININ HA2 CHAIN	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E	IPR001364	Haemagglutinin, influenzavirus A/B	Family
A, C, E	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
A, C, E	IPR000149	Haemagglutinin, influenzavirus A	Family
A, C, E	IPR013828	Haemagglutinin, HA1 chain, alpha/beta domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.