2663
Furthermore, the NFKB2 precursor is physically associated with c-Rel and with Tax in HTLV-I infected cells .
 ( cell type: HTLV-I infected cells, None) , ( protein: c-Rel, None) , ( protein: NFKB2, None) , ( protein: Tax, 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:
 ( cell type: HTLV-I infected cells, None) , ( protein: c-Rel, None) , ( protein: NFKB2, None) , ( protein: Tax, None) 