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The B cell-specific nuclear factor OTF-2 positively regulates transcription of the human class II transplantation gene , DRA .
 protein: OTF-2; protein: B cell-specific nuclear factor; DNA: human class II transplantation gene; DNA: DRA
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:
 protein: OTF-2; protein: B cell-specific nuclear factor; DNA: human class II transplantation gene; DNA: DRA