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We found that transactivation of the HIV-1 LTR by v-src was more sensitive to mutations of the proximal, rather than the distal, kappa B element .
 DNA: v-src; DNA: HIV-1 LTR; DNA: kappa B element
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: v-src, HIV-1 LTR, kappa B element 
Answer:
 DNA: v-src; DNA: HIV-1 LTR; DNA: kappa B element