854
The best characterized are the B cell-specific OTF-2 and the ubiquitous OTF-1 .
 protein: OTF-2; protein: OTF-1; protein: B cell-specific OTF-2
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: OTF-2; protein: OTF-1; protein: B cell-specific OTF-2