Classification

Sources

Endogenous

Exogenous

B cell

1. Mouse mammary tomor virus (MMTV) [6]
2. Epstein-Barr virus (EBV) [8-11]

1. Staphylococcal enterotoxins (SEs): A, B, C1 to C3, D, E, G to Q [13, 18]
2. Staphylococcal toxic shock syndrome toxin-1 (TSST-1) [13, 18]
3. Staphylococcal exfoliative toxins: exoliatin A, exfoliatin B [13, 18]
4. Staphylococcal enterotoxin-like toxins formed due to recombination within enterotoxin gene cluster: U2, V [14]
5. Streptococcal pyrogenic exotoxins (SPEs): A1 to A4, C, G to M [13, 18]
6. Streptococcal mitogenic exotoxins: SMEZ [13, 18]
7. Streptococcal superantigen :SSA [13]
8. Yersinia pseudotuberculosis: Yersinia pseudotuberculosis-derived mitogen (YAM) [6, 13, 15]
9. Mycoplasma species: Mycoplasma arthritidis-derived mitogen (MAM) [13, 16]
10. Cholera toxin:  subunit A of cholera toxin [17]
11. Prevotella intermedia*[12]
12. Mycobacterium tuberculosis*[9]
13. Viral superantigens:  (a) Mouse leukemia virus [7]

                                        (b) IDDMK1222- Ppol-ENV-U3 [7]

                                        (c) HIV-Nef [7, 18]

                                        (d) Rabies virus-nucleoside protein [7, 18]

1. Staphylococcal protein A [19, 20]
2. Protein Fv (PFv) [21]