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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 .
 ( protein: Sp1, None) , ( DNA: HIV LTR, None) , ( DNA: TATA box, None) , ( DNA: HIV LTR -driven luciferase expression constructs, None) , ( protein: luciferase, None) , ( cell type: lymphoblastoid cells, None) , ( protein: TBP, None) , ( DNA: functional Sp1 binding elements, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: Sp1, None) , ( DNA: HIV LTR, None) , ( DNA: TATA box, None) , ( DNA: HIV LTR -driven luciferase expression constructs, None) , ( protein: luciferase, None) , ( cell type: lymphoblastoid cells, None) , ( protein: TBP, None) , ( DNA: functional Sp1 binding elements, None) 