1206
The C-terminus of the B cell activator Oct-2 functions as an activation domain in yeast .
 protein: B cell activator; protein: Oct-2; protein: activation domain; protein: C-terminus
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: B cell activator, Oct-2, activation domain, C-terminus 
Answer:
 protein: B cell activator; protein: Oct-2; protein: activation domain; protein: C-terminus