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This complementary DNA encoded a protein with structural similarities to the c-jun proto-oncogene product , and its target sequence was closely related to the palindromic target sequence of c-jun .
 DNA: complementary DNA; protein: c-jun proto-oncogene product; DNA: palindromic target sequence; DNA: c-jun
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: complementary DNA; protein: c-jun proto-oncogene product; DNA: palindromic target sequence; DNA: c-jun