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Both HIV-2 and CMV transactivators enhance HIV-2 gene expression by transcriptional activation involving transcript initiation as well as elongation , with CMV transactivator affecting elongation more than the initiation .
 DNA: CMV transactivators; protein: transactivators; protein: transactivator; DNA: CMV transactivator
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:
 DNA: CMV transactivators; protein: transactivators; protein: transactivator; DNA: CMV transactivator