41
Mutational analyses indicate that the carboxy-terminal domain of Oct2 is critical for enhancer activation .
 protein: Oct2; protein: carboxy-terminal domain
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: Oct2; protein: carboxy-terminal domain