Table 5.

Vβ specificity of group A streptococcal superantigens

SuperantigenVβ specificityaReference
Streptococcal pyrogenic exotoxins
 SpeA2, 12, 14, 15523
 SpeB8523
 SpeC1, 2, 5.1, 10523
 SpeDNot characterized
 SpeF2, 4, 8, 15, 19390
 SpeG2, 4, 6.9, 12.3434
 SpeH2, 7.3, 9.1434
 SpeJ?434
SSA1, 3, 5.2, 15366
SMEZ2, 4, 7.4, 8434
SMEZ-24, 8434
  • a Human Vβ T-cell subsets stimulated by superantigen.