14699
In comparison to K562 , nucleated erythroblasts from adult human bone marrow exhibited a similar but nonidentical pattern of nuclear factor binding in vivo at the HS-40 region.
 ( DNA: HS-40, None) , ( cell line: K562, None) , ( protein: nuclear factor, None) , ( cell line: nucleated erythroblasts, 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: HS-40, None) , ( cell line: K562, None) , ( protein: nuclear factor, None) , ( cell line: nucleated erythroblasts, None) 