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The production and characterization of Jurkat cell lines that constitutively express functional human immune deficiency virus type 1 ( HIV-1 ) tat protein , using a BK virus plasmid expression vector and HIV-1 tat cDNA , is described.
 protein: human immune deficiency virus type 1 ( HIV-1 ) tat protein; protein: tat protein; cell line: Jurkat cell lines; DNA: HIV-1 tat cDNA
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: human immune deficiency virus type 1 ( HIV-1 ) tat protein; protein: tat protein; cell line: Jurkat cell lines; DNA: HIV-1 tat cDNA