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While the HIV-2 and HIV-1 tat genes and T-cell activators apparently employ independent modes of action, the CMV transactivator in combination with the HIV-2 tat or T-cell activators may employ a gene activation pathway with some common and some distinct components.
 DNA: HIV-2 tat; DNA: HIV-1 tat genes; protein: T-cell activators; protein: T-cell activators; 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: HIV-2 tat; DNA: HIV-1 tat genes; protein: T-cell activators; protein: T-cell activators; DNA: CMV transactivator