5256
The chromosome 17 breakpoint was localized to intron 2 of RARA by Southern blotting , and there was no evidence at the molecular level for rearrangement at PML locus .
 ( DNA: intron 2, None) , ( DNA: chromosome 17 breakpoint, None) , ( DNA: chromosome 17, None) , ( DNA: PML locus, None) , ( DNA: RARA, 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: intron 2, None) , ( DNA: chromosome 17 breakpoint, None) , ( DNA: chromosome 17, None) , ( DNA: PML locus, None) , ( DNA: RARA, None) 