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To define the regions of the gene required for transcription activation, we generated a series of reporter constructs containing different regions of the IL-3 gene 5' and 3' flanking sequences .
 DNA: IL-3 gene 5' and 3' flanking sequences; DNA: IL-3 gene
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: IL-3 gene 5' and 3' flanking sequences, IL-3 gene 
Answer:
 DNA: IL-3 gene 5' and 3' flanking sequences; DNA: IL-3 gene