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Functional roles of the transcription factor Oct-2A and the high mobility group protein I/Y in HLA-DRA gene expression .
 ( protein: I/Y, None) , ( protein: Oct-2A, None) , ( protein: transcription factor Oct-2A, None) , ( DNA: HLA-DRA gene, None) , ( protein: high mobility group 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: I/Y, None) , ( protein: Oct-2A, None) , ( protein: transcription factor Oct-2A, None) , ( DNA: HLA-DRA gene, None) , ( protein: high mobility group protein, None) 