HLA-DR17 (DR17) is an HLA-DR serotype that recognizes the DRB1*0301 and *0304 gene products. DR17 is found at high frequency in Western Europe (such as Western Ireland, N. Spain, Sardinia). DR17 is part of the broader antigen group HLA-DR3 and is very similar to the group HLA-DR18.
Read more about HLA-DR17: Serology, Genetic Linkage