11212
However, NF-YB did interact with the C-terminal Tax1 mutants M22 ( 130TL-AS ) and M47 ( 319LL-RS ).
 ( protein: Tax1, None) , ( protein: NF-YB, None) , ( protein: C-terminal Tax1 mutants, None) , ( protein: 130TL-AS, None) , ( protein: M47, None) , ( protein: M22, None) , ( protein: 319LL-RS, 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: NF-YB, None) , ( protein: C-terminal Tax1 mutants, None) , ( protein: 130TL-AS, None) , ( protein: M47, None) , ( protein: M22, None) , ( protein: 319LL-RS, None) 