Annotations: 7U2Q

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Sialidases	8071672	3001607	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Sialidases	8071672	3001607	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Sialidases	8071672	3001607	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Sialidases	8071672	3001607	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	fn3	e7u2qA1	A: alpha bundles	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (develop294)
B	fn3	e7u2qB1	A: alpha bundles	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (develop294)
C	fn3	e7u2qC1	A: alpha bundles	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (develop294)
D	fn3	e7u2qD1	A: alpha bundles	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (develop294)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Influenza N1-CA09-sNAp-155	cation binding ion binding binding metal ion binding small molecule binding hydrolase activity, acting on glycosyl bonds alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity	carbohydrate metabolic process primary metabolic process metabolic process cellular process biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral process viral budding from plasma membrane carbohydrate metabolic process primary metabolic process metabolic process cellular process biological process involved in interspecies interaction between organisms non-lytic viral release viral budding viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly exit from host cell viral process viral budding from plasma membrane viral release from host cell	cellular anatomical structure membrane host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion component virion membrane

Chains	Accession	Name	Type
A, B, C, D	IPR001860	Glycoside hydrolase, family 34	Family
A, B, C, D	IPR033654	Sialidase, Influenza viruses A/B	Domain
A, B, C, D	IPR036278	Sialidase superfamily	Homologous Superfamily