Keywords: HLA-DQ locus.png en Illustration of the DQ locus on chromosome 6 upper panel showing the physical location between DR loci and DP loci on the same chromosome within the HLA region HLA-DQ antigen is compoesed of two polypeptide subunit genes HLA-DQA1 and HLA DQB1 DQ alpha is encoded by HLA-DQA1 and DQ beta is encoded by DQB1 The bottom portion shows the haplotypes inherited by a persons mother maternal and father paternal A1 DQA1 locus B1 HLA-DQB1 locus also known as Celiac1 If a person is heterozygote at both loci then mother and father differ in genes alleles at both A1 and B1 A1 and B1 express proteins alpha and beta - the DQ antigen own Pdeitiker 2008-07-13 Immunohistochemistry HLA Antigens |