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A DNA probe that spanned a domain conserved among the proto-oncogene c-rel , the Drosophila morphogen dorsal , and the p50 DNA binding subunit of NF-kappa B was generated from Jurkat T cell complementary DNA with the polymerase chain reaction ( PCR ) and degenerate oligonucleotides .
 protein: p50; protein: p50 DNA binding subunit; protein: Drosophila morphogen dorsal; protein: NF-kappa B; DNA: proto-oncogene c-rel; DNA: Jurkat T cell complementary DNA; DNA: DNA probe
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; protein: p50 DNA binding subunit; protein: Drosophila morphogen dorsal; protein: NF-kappa B; DNA: proto-oncogene c-rel; DNA: Jurkat T cell complementary DNA; DNA: DNA probe