13331
A novel mutation in the coding sequence of the FY*B allele of the Duffy chemokine receptor gene is associated with an altered erythrocyte phenotype .
 ( DNA: Duffy chemokine receptor gene, None) , ( DNA: FY*B allele, 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:
 ( DNA: Duffy chemokine receptor gene, None) , ( DNA: FY*B allele, None) 