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In addition, the product of the proto-oncogene c-rel can bind to similar DNA motifs by itself or as a heterodimer with p50 or p65 .
 protein: p50; DNA: DNA motifs; DNA: proto-oncogene c-rel; protein: p65
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: p50; DNA: DNA motifs; DNA: proto-oncogene c-rel; protein: p65