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The antibody reacts with a polymorphic determinant on HLA-DR molecules which is associated with DR3, DR5, and DRw6 (DRw52-like). It does not react with DRw8. The antibody reacts with part of the HLA-D molecules (29+34 kD). The determinant is strongly expressed on DR3 positive cells and more weakly on DR5 and DRw6 positive cells. The antibody is useful for HLA-DR typing and biochemical characterization of the DR52w positive molecules and functional studies. Cross reacts with Chimpanzee, Macaca-apes and gorilla.
HLA DR, like other MHC class II molecules, is a transmembrane glycoprotein composed of an alpha chain (36 kDa) and a beta chain (27 kDa). It is expressed primarily on antigen presenting cells such as B lymphocytes, monocytes, macrophages, thymic epithelial cells and activated T lymphocytes. Three loci, DR, DQ and DP, encode the major expressed products of the human class II region. The human MHC class II molecules bind intracellularly processed peptides and present them to T-helper cells. They therefore have a critical role in the initiation of the immune response.
HLA and MHC antibodies play a significant role in Immunopeptidomics, facilitating the identification and characterization of neoantigens through high-performance liquid chromatography coupled to tandem Mass Spectrometry.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: DW2.2/DR2.2; FLJ75017; FLJ76359; HLA class II histocompatibility antigen, DR-1 beta chain; HLA class II histocompatibility antigen, DRB1 beta chain; HLA-DRB1; human leucocyte antigen DRB1; Human leukocyte antigen DRB1; lymphocyte antigen DRB1; MHC class II antigen; MHC class II HLA-DR beta 1 chain; MHC class II HLA-DR-beta cell surface glycoprotein; MHC class II HLA-DRw10-beta; XXbac-BPG161M6.1
基因别名: DRB1; DRw10; HLA-DR1B; HLA-DRB; HLA-DRB1; SS1
UniProt ID: (Human) Q4PRC3
Entrez Gene ID: (Human) 3123