1449
DNA binding specificity of complex 3 overlaps with that of upstream stimulatory factor but is clearly distinct.
 protein: upstream stimulatory factor
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: upstream stimulatory factor