1338
The IL-2 octamer motif is a composite cis-element which binds Oct-1 and Oct-2 as well as a TPA / Ca(2+) -inducible nuclear factor , previously termed octamer-associated protein ( OAP40 ).
 ( protein: Oct-1, None) , ( protein: IL-2, None) , ( protein: OAP40, None) , ( DNA: IL-2 octamer motif, None) , ( protein: octamer-associated protein, None) , ( DNA: cis-element, None) , ( protein: Oct-2, None) , ( protein: TPA / Ca(2+) -inducible nuclear factor, 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: Oct-1, None) , ( protein: IL-2, None) , ( protein: OAP40, None) , ( DNA: IL-2 octamer motif, None) , ( protein: octamer-associated protein, None) , ( DNA: cis-element, None) , ( protein: Oct-2, None) , ( protein: TPA / Ca(2+) -inducible nuclear factor, None) 