Annotations: 5E65

The complex structure of Hemagglutinin-esterase-fusion mutant protein from the influenza D virus with receptor analog 9-O-Ac-3'SLN (Tr322)

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)
D	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8073487	3001616	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8073487	3001616	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)
C		e5e65C1	A: beta barrels	X: CXXC domain-like	H: CXXC domain	T: CXXC domain	F:	ECOD (v294.2)
A		e5e65A1	A: beta barrels	X: CXXC domain-like	H: CXXC domain	T: CXXC domain	F:	ECOD (v294.2)
D		e5e65D1	A: beta barrels	X: CXXC domain-like	H: CXXC domain	T: CXXC domain	F:	ECOD (v294.2)
B		e5e65B1	A: beta barrels	X: CXXC domain-like	H: CXXC domain	T: CXXC domain	F:	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.20.70.20	Mainly Beta	Single Sheet	Ubiquitin Ligase Nedd4	Chain: W	CATH (4.3.0)
A	2.20.70.20	Mainly Beta	Single Sheet	Ubiquitin Ligase Nedd4	Chain: W	CATH (4.3.0)
D	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
B	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	Hemagglutinin-esterase	host cell surface binding binding host cell surface receptor binding hydrolase activity, acting on ester bonds short-chain carboxylesterase activity carboxylic ester hydrolase activity acetylesterase activity hydrolase activity sialate O-acetylesterase activity catalytic activity	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 symbiont entry into host cell symbiont entry into host	virion component virion membrane viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part
B, D	Hemagglutinin-esterase	host cell surface binding binding host cell surface receptor binding hydrolase activity, acting on ester bonds short-chain carboxylesterase activity carboxylic ester hydrolase activity acetylesterase activity hydrolase activity sialate O-acetylesterase activity catalytic activity	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 symbiont entry into host cell symbiont entry into host	virion component virion membrane viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR014831	Haemagglutinin stalk, influenza C	Domain
A, C	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
A, C	IPR003860	Haemagglutinin-esterase glycoprotein, haemagglutinin domain	Domain
A, C	IPR007142	Haemagglutinin-esterase glycoprotein, core	Domain
B, D	IPR014831	Haemagglutinin stalk, influenza C	Domain
B, D	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
B, D	IPR003860	Haemagglutinin-esterase glycoprotein, haemagglutinin domain	Domain
B, D	IPR007142	Haemagglutinin-esterase glycoprotein, core	Domain

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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.