62
Also, an induction specific DNA binding protein was purified from HeLa cells that interacted with the ( AAGTGA )4 tetrahexamer sequence and the PRDI domain .
 cell line: HeLa cells; protein: specific DNA binding protein; DNA: tetrahexamer sequence; DNA: PRDI domain
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:
 cell line: HeLa cells; protein: specific DNA binding protein; DNA: tetrahexamer sequence; DNA: PRDI domain