Annotations: 2XCY

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	BNR_2	e2xcyB1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 6-bladed	F: BNR_2	ECOD (1.6)
A	BNR_2	e2xcyA1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 6-bladed	F: BNR_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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, B	EXTRACELLULAR SIALIDASE/NEURAMINIDASE, PUTATIVE	hydrolase activity, acting on glycosyl bonds exo-alpha-(2->6)-sialidase activity alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity exo-alpha-(2->8)-sialidase activity exo-alpha-(2->3)-sialidase activity	sphingolipid catabolic process ganglioside catabolic process catabolic process glycolipid metabolic process carbohydrate derivative metabolic process cellular lipid catabolic process cellular catabolic process organic substance metabolic process ceramide catabolic process amide metabolic process membrane lipid metabolic process organonitrogen compound catabolic process ceramide metabolic process carbohydrate derivative catabolic process sphingolipid catabolic process ganglioside catabolic process catabolic process glycolipid metabolic process carbohydrate derivative metabolic process cellular lipid catabolic process cellular catabolic process organic substance metabolic process ceramide catabolic process amide metabolic process membrane lipid metabolic process organonitrogen compound catabolic process ceramide metabolic process carbohydrate derivative catabolic process glycosphingolipid catabolic process lipid catabolic process organonitrogen compound metabolic process glycosphingolipid metabolic process cellular metabolic process liposaccharide metabolic process primary metabolic process sphingolipid metabolic process membrane lipid catabolic process glycolipid catabolic process cellular lipid metabolic process metabolic process cellular process organic substance catabolic process ganglioside metabolic process lipid metabolic process carbohydrate metabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle cellular anatomical entity membrane cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.