1HA5 | pdb_00001ha5

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


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Dd1ha5d1 All beta proteins OB-fold Bacterial enterotoxins Superantigen toxins, N-terminal domain Streptococcal pyrogenic exotoxin A1 (Streptococcus pyogenes ) [TaxId: 1314 ], SCOPe (2.08)
Dd1ha5d2 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)
Cd1ha5c1 All beta proteins OB-fold Bacterial enterotoxins Superantigen toxins, N-terminal domain Streptococcal pyrogenic exotoxin A1 (Streptococcus pyogenes ) [TaxId: 1314 ], SCOPe (2.08)
Cd1ha5c2 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)
Bd1ha5b1 All beta proteins OB-fold Bacterial enterotoxins Superantigen toxins, N-terminal domain Streptococcal pyrogenic exotoxin A1 (Streptococcus pyogenes ) [TaxId: 1314 ], SCOPe (2.08)
Bd1ha5b2 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)
Ad1ha5a1 All beta proteins OB-fold Bacterial enterotoxins Superantigen toxins, N-terminal domain Streptococcal pyrogenic exotoxin A1 (Streptococcus pyogenes ) [TaxId: 1314 ], SCOPe (2.08)
Ad1ha5a2 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

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DCpn10e1ha5D1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Cpn10ECOD (v294.1)
DS4e1ha5D2 A: a/b three-layered sandwichesX: ETN0001 domain-likeH: ETN0001 domain-likeT: Mss4-likeF: S4ECOD (v294.1)
CCpn10e1ha5C1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Cpn10ECOD (v294.1)
CS4e1ha5C2 A: a/b three-layered sandwichesX: ETN0001 domain-likeH: ETN0001 domain-likeT: Mss4-likeF: S4ECOD (v294.1)
BCpn10e1ha5B1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Cpn10ECOD (v294.1)
BS4e1ha5B2 A: a/b three-layered sandwichesX: ETN0001 domain-likeH: ETN0001 domain-likeT: Mss4-likeF: S4ECOD (v294.1)
ACpn10e1ha5A1 A: a/b three-layered sandwichesX: Phage tail fiber protein trimerization domainH: beta-Prism IT: beta-Prism IF: Cpn10ECOD (v294.1)
AS4e1ha5A2 A: a/b three-layered sandwichesX: ETN0001 domain-likeH: ETN0001 domain-likeT: Mss4-likeF: S4ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D3.10.20.120 Alpha Beta Roll Ubiquitin-like (UB roll) CATH (4.3.0)
D2.40.50.110 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P) CATH (4.3.0)
C3.10.20.120 Alpha Beta Roll Ubiquitin-like (UB roll) CATH (4.3.0)
C2.40.50.110 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P) CATH (4.3.0)
B3.10.20.120 Alpha Beta Roll Ubiquitin-like (UB roll) CATH (4.3.0)
B2.40.50.110 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P) CATH (4.3.0)
A3.10.20.120 Alpha Beta Roll Ubiquitin-like (UB roll) CATH (4.3.0)
A2.40.50.110 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P) CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D
STREPTOCOCCAL PYOGENIC EXOTOXIN A1 -