1495
This study was designed to investigate the functional significance of previously described mutations in the viral long terminal repeat ( LTR ) and to elucidate their contribution to the unique phenotype of SIVsmmPBj14 .
 ( DNA: LTR, None) , ( DNA: viral long terminal repeat, 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: LTR, None) , ( DNA: viral long terminal repeat, None) 