13837
BACKGROUND: The class II transactivator ( CIITA ) is a bi- or multifunctional domain protein that acts as a transcriptional activator and plays a critical role in the expression of MHC class II genes .
 DNA: MHC class II genes; protein: class II transactivator; protein: CIITA; protein: bi- or multifunctional domain protein; protein: transcriptional activator
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: MHC class II genes, class II transactivator, CIITA, bi- or multifunctional domain protein, transcriptional activator 
Answer:
 DNA: MHC class II genes; protein: class II transactivator; protein: CIITA; protein: bi- or multifunctional domain protein; protein: transcriptional activator