10398
In fact, mAb L243 but not the staphylococcal superantigens , staphylococcal exotoxin toxic shock syndrome toxin-I or staphylococcal enterotoxin B , regulate the NF-kappa B binding activity .
 ( protein: staphylococcal superantigens, None) , ( protein: mAb L243, None) , ( protein: staphylococcal enterotoxin B, None) , ( protein: NF-kappa B, None) , ( protein: staphylococcal exotoxin toxic shock syndrome toxin-I, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: staphylococcal superantigens, None) , ( protein: mAb L243, None) , ( protein: staphylococcal enterotoxin B, None) , ( protein: NF-kappa B, None) , ( protein: staphylococcal exotoxin toxic shock syndrome toxin-I, None) 