1650
This is the first demonstration of a specific interaction with PU.1 on a myeloid PU.1 binding site .
 protein: PU.1; DNA: myeloid PU.1 binding site; protein: PU.1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: PU.1; DNA: myeloid PU.1 binding site; protein: PU.1