4439
However, supershift analyses using the c-fos promoter sis-inducible element probe showed that IL-12 activated STAT4 , STAT1 alpha , and STAT3 , and induced complexes containing STAT4 only, STAT4 with STAT1 alpha , STAT3 with STAT1 alpha , or STAT1 alpha only in preactivated primary NK cells .
 ( DNA: c-fos promoter sis-inducible element, None) , ( protein: STAT3, None) , ( protein: STAT4, None) , ( protein: STAT1 alpha, None) , ( protein: STAT3, None) , ( protein: STAT4, None) , ( protein: IL-12, None) , ( cell line: preactivated primary NK cells, None) , ( protein: STAT1 alpha, None) , ( protein: STAT4, None) , ( protein: STAT1 alpha, None) , ( DNA: c-fos promoter sis-inducible element probe, None) , ( protein: STAT1 alpha, 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:
 ( DNA: c-fos promoter sis-inducible element, None) , ( protein: STAT3, None) , ( protein: STAT4, None) , ( protein: STAT1 alpha, None) , ( protein: STAT3, None) , ( protein: STAT4, None) , ( protein: IL-12, None) , ( cell line: preactivated primary NK cells, None) , ( protein: STAT1 alpha, None) , ( protein: STAT4, None) , ( protein: STAT1 alpha, None) , ( DNA: c-fos promoter sis-inducible element probe, None) , ( protein: STAT1 alpha, None) 