1W1X | pdb_00001w1x

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1w1xa_	All beta proteins	6-bladed beta-propeller	Sialidases	Sialidases (neuraminidases)	Influenza neuraminidase	(Influenza A virus ) [TaxId: 11320 ],	SCOPe (2.08)
B	d1w1xb_	All beta proteins	6-bladed beta-propeller	Sialidases	Sialidases (neuraminidases)	Influenza neuraminidase	(Influenza A virus ) [TaxId: 11320 ],	SCOPe (2.08)
C	d1w1xc_	All beta proteins	6-bladed beta-propeller	Sialidases	Sialidases (neuraminidases)	Influenza neuraminidase	(Influenza A virus ) [TaxId: 11320 ],	SCOPe (2.08)
D	d1w1xd_	All beta proteins	6-bladed beta-propeller	Sialidases	Sialidases (neuraminidases)	Influenza neuraminidase	(Influenza A virus ) [TaxId: 11320 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Sialidases	8071658	3001607	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Sialidases	8071658	3001607	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Sialidases	8071658	3001607	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Sialidases	8071658	3001607	SCOP2B (2022-06-29)

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	e1w1xA1	A: HTH	X: HTH	H: winged helix domain	T: MATH_2	F:	ECOD (20:10:01)
B	e1w1xB1	A: HTH	X: HTH	H: winged helix domain	T: MATH_2	F:	ECOD (20:10:01)
C	e1w1xC1	A: HTH	X: HTH	H: winged helix domain	T: MATH_2	F:	ECOD (20:10:01)
D	e1w1xD1	A: HTH	X: HTH	H: winged helix domain	T: MATH_2	F:	ECOD (20:10:01)

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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	NEURAMINIDASE	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	IPR036278	Sialidase superfamily	Homologous Superfamily

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.

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