Annotations: 1MS4

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1ms4b1	All beta proteins	Concanavalin A-like lectins/glucanases	Concanavalin A-like lectins/glucanases	Trypanosoma sialidase, C-terminal domain	Trypanosoma sialidase, C-terminal domain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
B	d1ms4b2	All beta proteins	6-bladed beta-propeller	Sialidases	Sialidases (neuraminidases)	Trypanosoma sialidase	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d1ms4a1	All beta proteins	Concanavalin A-like lectins/glucanases	Concanavalin A-like lectins/glucanases	Trypanosoma sialidase, C-terminal domain	Trypanosoma sialidase, C-terminal domain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d1ms4a2	All beta proteins	6-bladed beta-propeller	Sialidases	Sialidases (neuraminidases)	Trypanosoma sialidase	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Concanavalin A-like lectins/glucanases	8037009	3000120	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Sialidases	8037008	3001607	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Concanavalin A-like lectins/glucanases	8037009	3000120	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Sialidases	8037008	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)
B		e1ms4B1	A: Cloacin translocation domain	X: Cloacin translocation domain	H: Cloacin translocation domain	T: Glyco_hydro_12	F:	ECOD (20:10:01)
B		e1ms4B2	A: Cloacin translocation domain	X: Cloacin translocation domain	H: Cloacin translocation domain	T: FG-GAP, FG-GAP_3	F:	ECOD (20:10:01)
A		e1ms4A1	A: Cloacin translocation domain	X: Cloacin translocation domain	H: Cloacin translocation domain	T: Glyco_hydro_12	F:	ECOD (20:10:01)
A		e1ms4A2	A: Cloacin translocation domain	X: Cloacin translocation domain	H: Cloacin translocation domain	T: FG-GAP, FG-GAP_3	F:	ECOD (20:10:01)

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)
B	2.60.120.200	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
A	2.120.10.10	Mainly Beta	6 Propeller	Neuraminidase		CATH (4.3.0)
A	2.60.120.200	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	trans-sialidase	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 ceramide metabolic process ganglioside 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 ceramide catabolic process sphingolipid catabolic process ceramide metabolic process ganglioside 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 ceramide catabolic process metabolic process cellular process ganglioside metabolic process lipid metabolic process carbohydrate metabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm

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	IPR011040	Sialidase	Domain
A, B	IPR026856	Sialidase family	Family
A, B	IPR055239	Trans-sialidase, C-terminal domain	Domain
A, B	IPR008377	Trypanosome sialidase	Family
A, B	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.