1446
Using varying conditions, three distinct complexes were shown to interact specifically with the NIP region , although only one correlates with repressor activity .
 DNA: NIP region; protein: NIP
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: NIP region; protein: NIP