7803
The STP-C488 P10-->R mutant was also defective in Rat-1 fibroblast transformation, and fibroblast cell transformation was blocked by a TRAF2 dominant-negative mutant.
 ( protein: STP-C488 P10-->R mutant, None) , ( protein: TRAF2, 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: STP-C488 P10-->R mutant, None) , ( protein: TRAF2, None) 