Annotations: 4FZH

Structure of the Ulster Strain Newcastle Disease Virus Hemagglutinin-Neuraminidase Reveals Auto-Inhibitory Interactions Associated with Low Virulence

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	Sialidases	8080105	3001607	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Sialidases	8080105	3001607	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Sialidases	8080105	3001607	SCOP2B (2022-06-29)
A	SCOP2 Family	Sialidases (neuraminidases)	8080104	4002683	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Sialidases	8080105	3001607	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	RecA	e4fzhD1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: RecA	ECOD (v295.2)
C	RecA	e4fzhC1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: RecA	ECOD (v295.2)
B	RecA	e4fzhB1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: RecA	ECOD (v295.2)
A		e4fzhA1	A: alpha arrays	X: Flavodoxin-like	H: Precorrin-8X methylmutase CbiC/CobH	T: Precorrin-8X methylmutase CbiC/CobH	F:	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)
C	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)
B	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)
A	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Hemagglutinin-neuraminidase	identical protein binding protein binding binding 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 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

InterPro: Protein Family Classification InterPro Database Homepage

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