13337
The Fy(a-b-) phenotype has been associated with a mutation in the FY*B promoter at the GATA box that abolishes the expression of erythrocyte Duffy protein .
 ( protein: erythrocyte Duffy protein, None) , ( DNA: GATA box, None) , ( protein: Duffy protein, None) , ( DNA: FY*B promoter, 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: erythrocyte Duffy protein, None) , ( DNA: GATA box, None) , ( protein: Duffy protein, None) , ( DNA: FY*B promoter, None) 