1385
Mutational analyses of the HIV-1 LTR showed that one C/EBP site is required for normal LTR transcription both before and after cellular activation and that the two 3' C/EBP sites are functionally equivalent.
 DNA: LTR; DNA: HIV-1 LTR; DNA: C/EBP sites; DNA: LTR; DNA: C/EBP site
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: LTR; DNA: HIV-1 LTR; DNA: C/EBP sites; DNA: LTR; DNA: C/EBP site