Annotations: 6Y5L

Signal Subtracted Extended Intermediate form of X-31 Influenza Haemagglutinin at pH 5 (State IV)

External Resource: Annotation

Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	MIF	e6y5lF1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: MIF	ECOD (v295)
E [auth D]	MIF	e6y5lD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: MIF	ECOD (v295)
B	MIF	e6y5lB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: MIF	ECOD (v295)
D [auth E]	MIF	e6y5lE1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: MIF	ECOD (v295)
C	MIF	e6y5lC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: MIF	ECOD (v295)
A	Ribosomal_L17	e6y5lA01	A: alpha arrays	X: Histone-like	H: all-alpha NTP pyrophosphatases	T: Hypothetical protein AF_0060	F: Ribosomal_L17	ECOD (v295)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, E [auth D], F	X-31 Influenza Haemagglutinin HA2	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 membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular process cellular component organization or biogenesis virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular process cellular component organization or biogenesis virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction non-lytic viral release viral budding virion assembly exit from host cell viral budding from plasma membrane viral release from host cell import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell	cellular anatomical structure membrane virion component virion membrane viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane other organism part
A, C, D [auth E]	X-31 Influenza Haemagglutinin HA1,X-31 Influenza Haemagglutinin HA1	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

InterPro: Protein Family Classification InterPro Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D [auth E], E [auth D] A, B, C, D [auth E], E [auth D], F	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Glycoproteins	Influenza Hemagglutinin, ectodomain of X-31 Haemagglutinin at pH 8

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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.

6Y5L | pdb_00006y5l

Signal Subtracted Extended Intermediate form of X-31 Influenza Haemagglutinin at pH 5 (State IV)

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: mpstruc mpstruc Database Homepage