Annotations: 1HA5

Structural features of a zinc-binding site in the superantigen streptococcal pyrogenic exotoxin A (SpeA1): implications for MHC class II recognition.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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)
D	d1ha5d1	All beta proteins	OB-fold	Bacterial enterotoxins	Superantigen toxins, N-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
D	d1ha5d2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Superantigen toxins, C-terminal domain	Superantigen toxins, C-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
C	d1ha5c1	All beta proteins	OB-fold	Bacterial enterotoxins	Superantigen toxins, N-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
C	d1ha5c2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Superantigen toxins, C-terminal domain	Superantigen toxins, C-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
B	d1ha5b1	All beta proteins	OB-fold	Bacterial enterotoxins	Superantigen toxins, N-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
B	d1ha5b2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Superantigen toxins, C-terminal domain	Superantigen toxins, C-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
A	d1ha5a1	All beta proteins	OB-fold	Bacterial enterotoxins	Superantigen toxins, N-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)
A	d1ha5a2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Superantigen toxins, C-terminal domain	Superantigen toxins, C-terminal domain	Streptococcal pyrogenic exotoxin A1	(Streptococcus pyogenes ) [TaxId: 1314 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Cpn10	e1ha5D1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Cpn10	ECOD (v294.2)
D	S4	e1ha5D2	A: beta barrels	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: S4	ECOD (v294.2)
C	Cpn10	e1ha5C1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Cpn10	ECOD (v294.2)
C	S4	e1ha5C2	A: beta barrels	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: S4	ECOD (v294.2)
B	Cpn10	e1ha5B1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Cpn10	ECOD (v294.2)
B	S4	e1ha5B2	A: beta barrels	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: S4	ECOD (v294.2)
A	Cpn10	e1ha5A1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Cpn10	ECOD (v294.2)
A	S4	e1ha5A2	A: beta barrels	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: S4	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	STREPTOCOCCAL PYOGENIC EXOTOXIN A1	toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

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

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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.