11211
The interaction of Tax1 with NF-YB was specific in that NF-YB did not interact with a variety of other transcription factors , including human immunodeficiency virus Tat , human papillomavirus E6 , and Bicoid , or with the M7 (amino acids 29CP-AS) Tax1 mutant .
 ( protein: Tax1, None) , ( protein: M7 (amino acids 29CP-AS) Tax1 mutant, None) , ( protein: transcription factors, None) , ( protein: NF-YB, None) , ( protein: Bicoid, None) , ( protein: human papillomavirus E6, None) , ( protein: human immunodeficiency virus Tat, None) , ( protein: Tax1, None) , ( protein: NF-YB, 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: Tax1, None) , ( protein: M7 (amino acids 29CP-AS) Tax1 mutant, None) , ( protein: transcription factors, None) , ( protein: NF-YB, None) , ( protein: Bicoid, None) , ( protein: human papillomavirus E6, None) , ( protein: human immunodeficiency virus Tat, None) , ( protein: Tax1, None) , ( protein: NF-YB, None) 