1UNS | pdb_00001uns

IDENTIFICATION OF A SECONDARY ZINC-BINDING SITE IN STAPHYLOCOCCAL ENTEROTOXIN C2: IMPLICATIONS FOR SUPERANTIGEN RECOGNITION

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1unsa1	All beta proteins	OB-fold	Bacterial enterotoxins	Superantigen toxins, N-terminal domain	Staphylococcal enterotoxin C2, SEC2	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
A	d1unsa2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Superantigen toxins, C-terminal domain	Superantigen toxins, C-terminal domain	Staphylococcal enterotoxin C2, SEC2	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Superantigen toxins, N-terminal domain	8029552	4001839	SCOP2 (2022-06-29)
A	SCOP2 Family	Superantigen toxins, C-terminal domain	8029553	4000990	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Bacterial enterotoxins	8041931	3000434	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Superantigen toxins C-terminal domain-like	8041932	3000376	SCOP2 (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	Cpn10	e1unsA1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Cpn10	ECOD (v294.1)
A	S4	e1unsA2	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: S4	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A	3.10.20.120	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ENTEROTOXIN TYPE C-2	cation binding ion binding binding metal ion binding small molecule binding toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006123	Staphylococcal/Streptococcal toxin, beta-grasp domain	Domain
A	IPR006177	Staphylococcal/streptococcal toxin, bacterial	Family
A	IPR006126	Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved site	Conserved Site
A	IPR016091	Superantigen toxin, C-terminal	Homologous Superfamily
A	IPR006173	Staphylococcal/Streptococcal toxin, OB-fold	Domain
A	IPR013307	Superantigen, staphylococcal/streptococcal toxin, bacterial	Family
A	IPR008992	Enterotoxin	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.