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Similarly, in transfection experiments in which the selective kappa B binding sites were used to drive the expression of a chloramphenicol acetyltransferase reporter construct , the p65 -and p50 -selected motifs were activated only in the presence of p65 and p50/65 (a chimeric protein with the p50 DNA binding domain and p65 activation domain ) expression vectors, respectively, and neither demonstrated a significant response to stimuli that induce NF-kappa B activity .
 DNA: selective kappa B binding sites; DNA: chloramphenicol acetyltransferase reporter construct; protein: p65 activation domain; protein: chloramphenicol acetyltransferase; protein: chimeric protein; protein: p50/65; protein: p50 DNA binding domain; protein: p65; protein: p65; protein: p65; protein: p50; protein: NF-kappa B; protein: p50
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: selective kappa B binding sites; DNA: chloramphenicol acetyltransferase reporter construct; protein: p65 activation domain; protein: chloramphenicol acetyltransferase; protein: chimeric protein; protein: p50/65; protein: p50 DNA binding domain; protein: p65; protein: p65; protein: p65; protein: p50; protein: NF-kappa B; protein: p50