Annotations: 4C7L

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	HORMA	e4c7lB3	A: alpha bundles	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: HORMA	ECOD (develop294)
A	Topoisom_bac	e4c7lA1	A: alpha bundles	X: YrdC/RibB	H: SH3	T: SH3	F: Topoisom_bac	ECOD (develop294)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HEMAGGLUTININ-ESTERASE	hydrolase activity, acting on ester bonds short-chain carboxylesterase activity carboxylic ester hydrolase activity acetylesterase activity hydrolase activity sialate O-acetylesterase activity catalytic activity sialate 9-O-acetylesterase activity sialate 4-O-acetylesterase activity host cell surface binding binding host cell surface receptor binding	membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell	virion component viral membrane viral envelope cellular anatomical structure membrane host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion membrane

Chains	Accession	Name	Type
A, B	IPR042545	Hemagglutinin-esterase	Family
A, B	IPR003860	Haemagglutinin-esterase glycoprotein, haemagglutinin domain	Domain
A, B	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
A, B	IPR007142	Haemagglutinin-esterase glycoprotein, core	Domain