Annotations: 3I26

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PA-IIL	e3i26A1	A: alpha arrays	X: Spectrin repeat-like	H: DNA clamp	T: DNA clamp	F: PA-IIL	ECOD (v295)
D	HTH_3	e3i26D1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3	ECOD (v295)
C	HORMA	e3i26C3	A: alpha arrays	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: HORMA	ECOD (v295)
B	HORMA	e3i26B3	A: alpha arrays	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: HORMA	ECOD (v295)

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02710	Hemagglutinin domain of haemagglutinin-esterase-fusion glycoprotein (Hema_HEFG)	Hemagglutinin domain of haemagglutinin-esterase-fusion glycoprotein	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Hemagglutinin-esterase	binding carbohydrate 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 sialate 9-O-acetylesterase activity sialate 4-O-acetylesterase activity host cell surface 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 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, C, D	IPR003860	Haemagglutinin-esterase glycoprotein, haemagglutinin domain	Domain
A, B, C, D	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
A, B, C, D	IPR007142	Haemagglutinin-esterase glycoprotein, core	Domain

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.

3I26 | pdb_00003i26