1EU3

CRYSTAL STRUCTURE OF THE SUPERANTIGEN SMEZ-2 (ZINC BOUND) FROM STREPTOCOCCUS PYOGENES

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1eu3a1	All beta proteins	OB-fold	Bacterial enterotoxins	Superantigen toxins, N-terminal domain	Streptococcal superantigen Smez-2	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
A	d1eu3a2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Superantigen toxins, C-terminal domain	Superantigen toxins, C-terminal domain	Streptococcal superantigen Smez-2	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
B	d1eu3b1	All beta proteins	OB-fold	Bacterial enterotoxins	Superantigen toxins, N-terminal domain	Streptococcal superantigen Smez-2	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
B	d1eu3b2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Superantigen toxins, C-terminal domain	Superantigen toxins, C-terminal domain	Streptococcal superantigen Smez-2	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
B	d1eu3b3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Streptococcus pyogenes ) [TaxId: 1314 ],	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, C-terminal domain	8022212	4000990	SCOP2 (2022-06-29)
A	SCOP2 Family	Superantigen toxins, N-terminal domain	8029514	4001839	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Superantigen toxins C-terminal domain-like	8034592	3000376	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Bacterial enterotoxins	8041893	3000434	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Bacterial enterotoxins	8041893	3000434	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Superantigen toxins C-terminal domain-like	8034592	3000376	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	Stap_Strp_tox_C	e1eu3A2	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Stap_Strp_tox_C	ECOD (1.6)
B	Stap_Strp_toxin	e1eu3B1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Stap_Strp_toxin	ECOD (1.6)
B	Stap_Strp_tox_C	e1eu3B2	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Stap_Strp_tox_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01123	Staphylococcal/Streptococcal toxin, OB-fold domain (Stap_Strp_toxin)	Staphylococcal/Streptococcal toxin, OB-fold domain	This entry represents an OB-fold domain found in enterotoxins.	Domain
A, B	PF02876	Staphylococcal/Streptococcal toxin, beta-grasp domain (Stap_Strp_tox_C)	Staphylococcal/Streptococcal toxin, beta-grasp domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	SUPERANTIGEN SMEZ-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, B	IPR006123	Staphylococcal/Streptococcal toxin, beta-grasp domain	Domain
A, B	IPR006177	Staphylococcal/streptococcal toxin, bacterial	Family
A, B	IPR006126	Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved site	Conserved Site
A, B	IPR016091	Superantigen toxin, C-terminal	Homologous Superfamily
A, B	IPR006173	Staphylococcal/Streptococcal toxin, OB-fold	Domain
A, B	IPR013307	Superantigen, staphylococcal/streptococcal toxin, bacterial	Family
A, B	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.