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Furthermore, using DNA templates containing two copies of the PRDII domain linked to the rabbit beta globin gene , the purified polypeptides specifically stimulated NF-kappa B dependent transcription in an in vitro reconstitution assay as heterodimers but not as p50 homodimers .
 protein: NF-kappa B; DNA: PRDII domain; protein: p50 homodimers; DNA: DNA templates; DNA: rabbit beta globin gene
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: NF-kappa B; DNA: PRDII domain; protein: p50 homodimers; DNA: DNA templates; DNA: rabbit beta globin gene