3346
Using monospecific antibodies , the 80-kDa tyrosine -phosphorylated protein has been shown to be p80c-rel , a proto-oncogene belonging to a family of transcriptional regulators which include NF-kB .
 ( protein: monospecific antibodies, None) , ( DNA: proto-oncogene, None) , ( protein: p80c-rel, None) , ( protein: NF-kB, None) , ( protein: transcriptional regulators, None) , ( protein: tyrosine -phosphorylated protein, 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: monospecific antibodies, None) , ( DNA: proto-oncogene, None) , ( protein: p80c-rel, None) , ( protein: NF-kB, None) , ( protein: transcriptional regulators, None) , ( protein: tyrosine -phosphorylated protein, None) 