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The inducibility of HIV LTR -driven luciferase expression constructs in lymphoblastoid cells stimulated by OKA depended on both functional Sp1 binding elements and the ability of the TATA box to bind the protein TBP .
 Sp1, HIV LTR, TATA box, HIV LTR -driven luciferase expression constructs, luciferase, lymphoblastoid cells, TBP, functional Sp1 binding elements
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 Sp1, HIV LTR, TATA box, HIV LTR -driven luciferase expression constructs, luciferase, lymphoblastoid cells, TBP, functional Sp1 binding elements