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A novel T cell-specific negative regulatory element ( NRE ) composed of two protein-binding sites were mapped in the 5' flanking region of the IL-4 gene : -311CTCCCTTCT-303 ( NRE-I ) and -288CTTTTTGCTT-TGC-300 ( NRE-II ).
 DNA: NRE-I; DNA: NRE; DNA: NRE-II; DNA: IL-4 gene; DNA: novel T cell-specific negative regulatory element
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: NRE-I; DNA: NRE; DNA: NRE-II; DNA: IL-4 gene; DNA: novel T cell-specific negative regulatory element