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Demonstration of the complete dependence on the Y box in this system suggests that, despite its demonstrated importance in the DRA promoter , the DRA "octamer" does not utilize OTF-2 in a manner analogous to immunoglobulin promoters in B cells .
 DNA: Y box; DNA: immunoglobulin promoters; DNA: DRA "octamer"; protein: OTF-2; cell type: B cells; DNA: DRA promoter
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: Y box; DNA: immunoglobulin promoters; DNA: DRA "octamer"; protein: OTF-2; cell type: B cells; DNA: DRA promoter