2956
In particular, Tax is capable of modulating the expression or activity of various host transcription factors , including members of the NF-kappa B/Rel and CREB/ATF families , as well as the cellular factors HEB-1 and p67SRF .
 ( protein: HEB-1, None) , ( protein: CREB/ATF families, None) , ( protein: NF-kappa B/Rel, None) , ( protein: transcription factors, None) , ( protein: cellular factors, None) , ( protein: Tax, None) , ( protein: p67SRF, 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: HEB-1, None) , ( protein: CREB/ATF families, None) , ( protein: NF-kappa B/Rel, None) , ( protein: transcription factors, None) , ( protein: cellular factors, None) , ( protein: Tax, None) , ( protein: p67SRF, None) 