1539
These results underscore the modular structure of Oct-2a with separable domains for activation and repression and suggest that Oct-2a might have complex regulatory functions in vivo.
 protein: Oct-2a; protein: Oct-2a
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: Oct-2a; protein: Oct-2a