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 .
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 .
O B-other_name I-other_name I-other_name I-other_name I-other_name O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-protein_molecule B-protein_molecule I-protein_molecule O