Annotations: 9QD1

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	EST1_DNA_bind,EST1	e9qd1B1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: EST1_DNA_bind,EST1	ECOD (v295.2)
A	IBR	e9qd1A1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: IBR	ECOD (v295.2)

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	Attachment glycoprotein	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	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process 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 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

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