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RB and a novel E2F-1 binding protein in MHC class II deficient B-cell lines and normal IFN-gamma induction of the class IL transactivator CIITA in class II non-inducible RB -defective tumor lines .
 ( protein: IFN-gamma, None) , ( cell line: MHC class II deficient B-cell lines, None) , ( cell line: class II non-inducible RB -defective tumor lines, None) , ( DNA: class IL transactivator, None) , ( protein: RB, None) , ( protein: E2F-1 binding protein, None) , ( protein: RB, None) , ( DNA: CIITA, 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: IFN-gamma, None) , ( cell line: MHC class II deficient B-cell lines, None) , ( cell line: class II non-inducible RB -defective tumor lines, None) , ( DNA: class IL transactivator, None) , ( protein: RB, None) , ( protein: E2F-1 binding protein, None) , ( protein: RB, None) , ( DNA: CIITA, None) 