14861
The observation that a mutated LT-kappa B construct ( M1-CAT ) was inactive in C81-66-45 , confirmed the importance of NF-kappa B in LT gene expression .
 ( DNA: mutated LT-kappa B construct, None) , ( protein: NF-kappa B, None) , ( protein: LT, None) , ( DNA: M1-CAT, None) , ( cell line: C81-66-45, 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:
 ( DNA: mutated LT-kappa B construct, None) , ( protein: NF-kappa B, None) , ( protein: LT, None) , ( DNA: M1-CAT, None) , ( cell line: C81-66-45, None) 