Dq Haplotype

Some articles on dq, haplotypes:

HLA-DQ2 - In Coeliac Disease - DQ2.2 and Gluten
... With the DQ2.2 isoform (DQ α2-β2), polar substitutions (amino acids such as asparagine, glutamine, glycine, serine, and threonine) are not bound well to DQ2.2 ... for gluten presentation, other haplotypes might provide the rest ... Such haplotypes are known to exist and these haplotypes confer different risk on DQ2.2 ...