1631
Mutually exclusive interaction of a novel matrix attachment region binding protein and the NF-muNR enhancer repressor .
 protein: matrix attachment region binding protein; protein: NF-muNR enhancer repressor
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: matrix attachment region binding protein; protein: NF-muNR enhancer repressor