1498
These LTRs differ by five point mutations and a 22-bp duplication in SIVsmmPBj14 , which includes a nuclear factor kappa B ( NF kappa B ) site .
 ( DNA: nuclear factor kappa B ( NF kappa B ) site, None) , ( DNA: 22-bp duplication, None) , ( DNA: LTRs, None) , ( protein: nuclear factor kappa B, None) , ( protein: NF kappa B, 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: nuclear factor kappa B ( NF kappa B ) site, None) , ( DNA: 22-bp duplication, None) , ( DNA: LTRs, None) , ( protein: nuclear factor kappa B, None) , ( protein: NF kappa B, None) 