Annotations: 6SG8

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00423	e6sg8A1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 6-bladed	F: PF00423	ECOD (1.6)
B	PF00423	e6sg8B1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 6-bladed	F: PF00423	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A, B	PF00423	Haemagglutinin-neuraminidase (HN)	Haemagglutinin-neuraminidase	-	Repeat

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Hemagglutinin-neuraminidase	hydrolase activity, acting on glycosyl bonds alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity host cell surface binding binding host cell surface receptor binding	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host	cell periphery plasma membrane membrane cellular anatomical entity virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane virion membrane

Chains	Accession	Name	Type
A, B	IPR016285	Haemagglutinin-neuraminidase	Family
A, B	IPR036278	Sialidase superfamily	Homologous Superfamily
A, B	IPR000665	Haemagglutinin/haemagglutinin-neuraminidase, paramyxovirus	Family