4NC5 | pdb_00004nc5

Human sialidase 2 in complex with 2,3-difluorosialic acid (covalent intermediate)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4nc5a1	All beta proteins	6-bladed beta-propeller	Sialidases	Sialidases (neuraminidases)	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4nc5a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Sialidases	8042349	3001607	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TPR_2, TPR_P4H	e4nc5A1	A: alpha bundles	X: Ribonuclease H-like	H: ARM repeat	T: ARM repeat	F: TPR_2, TPR_P4H	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13088	BNR repeat-like domain (BNR_2)	BNR repeat-like domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Sialidase-2	hydrolase activity, acting on glycosyl bonds alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity	sphingolipid catabolic process carbohydrate derivative catabolic process glycosphingolipid catabolic process lipid catabolic process catabolic process glycolipid metabolic process glycosphingolipid metabolic process liposaccharide metabolic process carbohydrate derivative metabolic process primary metabolic process sphingolipid metabolic process glycolipid catabolic process metabolic process cellular process sphingolipid catabolic process carbohydrate derivative catabolic process glycosphingolipid catabolic process lipid catabolic process catabolic process glycolipid metabolic process glycosphingolipid metabolic process liposaccharide metabolic process carbohydrate derivative metabolic process primary metabolic process sphingolipid metabolic process glycolipid catabolic process metabolic process cellular process lipid metabolic process carbohydrate metabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process glycoprotein catabolic process protein catabolic process glycoprotein metabolic process macromolecule catabolic process protein metabolic process macromolecule metabolic process ceramide metabolic process ganglioside catabolic process ceramide catabolic process ganglioside metabolic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol protein-containing complex catalytic complex membrane-bounded organelle intracellular organelle organelle lytic vacuole vacuole intracellular membrane-bounded organelle lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011040	Sialidase	Domain
A	IPR036278	Sialidase superfamily	Homologous Superfamily
A	IPR026856	Sialidase family	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9Y3R4	psoriasis

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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