8846
The 5' sequences up to nucleotide -120 of the human and murine IL-16 genes share >84% sequence homology and harbor promoter elements for constitutive and inducible transcription in T cells .
 ( protein: IL-16, None) , ( DNA: 5#$%# sequences, None) , ( cell type: T cells, None) , ( DNA: harbor promoter elements, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: IL-16, None) , ( DNA: 5#$%# sequences, None) , ( cell type: T cells, None) , ( DNA: harbor promoter elements, None) 