Annotations: 6ER4

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Trans-sialidase N-terminal domain-like	8097151	4002727	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Concanavalin A-like lectins/glucanases	8097152	3000120	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Concanavalin A-like lectins/glucanases	8097152	3000120	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	PF02973	e6er4A1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Concanavalin A-like lectins/glucanases	F: PF02973	ECOD (1.6)
B	PF02973	e6er4B1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Concanavalin A-like lectins/glucanases	F: PF02973	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.200	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
B	2.60.120.200	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02973	Sialidase, N-terminal domain (Sialidase)	Sialidase, N-terminal domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	BNR/Asp-box repeat protein	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 organic substance metabolic process primary metabolic process metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
A, B	IPR004124	Glycoside hydrolase, family 33, N-terminal	Domain
A, B	IPR011040	Sialidase	Domain
A, B	IPR026856	Sialidase family	Family
A, B	IPR023364	Trans-sialidase, domain 3	Homologous Superfamily
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.