6263
Staurosporine ( PKC inhibitor ), pentoxifylline ( NF-kappa B inhibitor ), and Ro5-3335 ( HIV-1 Tat inhibitor ) also inhibited significantly the heat shock induced virus activation .
 ( protein: Tat, 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: Tat, None) 