483
Using in vivo genomic footprinting we identified interactions in B-cell lines at the octamer site and the Y , X1 , and X2 boxes .
 DNA: octamer site; cell line: B-cell lines
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:
 DNA: octamer site; cell line: B-cell lines