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Here we demonstrate that the c-myb proto-oncogene product , which is itself a DNA-binding protein and transcriptional transactivator , can interact synergistically with Z in activating the BMRF1 promoter in Jurkat cells (a T-cell line ) or Raji cells (an EBV -positive B-cell ), whereas the c-myb gene product by itself has little effect.
 protein: DNA-binding protein; DNA: BMRF1 promoter; protein: c-myb proto-oncogene product; protein: c-myb gene product; protein: Z; cell line: Raji cells; cell line: EBV -positive B-cell; protein: transcriptional transactivator; DNA: c-myb; cell line: T-cell line; cell line: Jurkat cells
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: DNA-binding protein; DNA: BMRF1 promoter; protein: c-myb proto-oncogene product; protein: c-myb gene product; protein: Z; cell line: Raji cells; cell line: EBV -positive B-cell; protein: transcriptional transactivator; DNA: c-myb; cell line: T-cell line; cell line: Jurkat cells