9897
Suppression of MHC class II expression by human class II trans-activator constructs lacking the N-terminal domain .
 protein: N-terminal domain; DNA: human class II trans-activator constructs; protein: MHC class II
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: N-terminal domain, human class II trans-activator constructs, MHC class II 
Answer:
 protein: N-terminal domain; DNA: human class II trans-activator constructs; protein: MHC class II