14860
An LT promoter ( LT-293 ) CAT construct that contained an NF-kappa B site was active in the LT-producing C81-66-45 cell line , which contains defective HTLV-I but expresses tax .
 ( protein: tax, None) , ( cell line: LT-producing C81-66-45 cell line, None) , ( DNA: NF-kappa B site, None) , ( DNA: LT promoter, None) , ( DNA: LT promoter ( LT-293 ) CAT construct, None) , ( DNA: LT-293, 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: tax, None) , ( cell line: LT-producing C81-66-45 cell line, None) , ( DNA: NF-kappa B site, None) , ( DNA: LT promoter, None) , ( DNA: LT promoter ( LT-293 ) CAT construct, None) , ( DNA: LT-293, None) 