2152
On the basis of cross-linking results with 21 different EMCV IRES fragments and cytoplasmic HeLa extract or rabbit reticulocyte lysate as the source of polypeptides , consensus binding sites for p52 , p57 , p70 , and p100 are proposed.
 ( DNA: EMCV IRES fragments, None) , ( protein: p52, None) , ( protein: p57, None) , ( protein: p100, None) , ( DNA: consensus binding sites, None) , ( DNA: IRES, None) , ( protein: p70, 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: EMCV IRES fragments, None) , ( protein: p52, None) , ( protein: p57, None) , ( protein: p100, None) , ( DNA: consensus binding sites, None) , ( DNA: IRES, None) , ( protein: p70, None) 