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|Tested species reactivity||Many|
|Host / Isotype||Mouse / IgG2a|
|Contains||0.02% sodium azide|
|Storage Conditions||4° C|
|Tested Applications||Dilution *|
|Cytotoxicity Assay (CT)||1:5|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
HLA-DRB1 belongs to the HLA class II beta chain paralogs. The class II molecule is a heterodimer consisting of an alpha (DRA) and a beta chain (DRB), both anchored in the membrane. It plays a central role in the immune system by presenting peptides derived from extracellular proteins. Class II molecules are expressed in antigen presenting cells (APC: B lymphocytes, dendritic cells, macrophages). The beta chain is approximately 26-28 kDa. It is encoded by 6 exons. Exon one encodes the leader peptide; exons 2 and 3 encode the two extracellular domains; exon 4 encodes the transmembrane domain; and exon 5 encodes the cytoplasmic tail. Within the DR molecule the beta chain contains all the polymorphisms specifying the peptide binding specificities. Hundreds of DRB1 alleles have been described and typing for these polymorphisms is routinely done for bone marrow and kidney transplantation. DRB1 is expressed at a level five times higher than its paralogs DRB3, DRB4 and DRB5. DRB1 is present in all individuals. Allelic variants of DRB1 are linked with either none or one of the genes DRB3, DRB4 and DRB5. There are 4 related pseudogenes: DRB2, DRB6, DRB7, DRB8 and DRB9.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
beta1 domain MHC class II HLA DPB; class II HLA beta chain; DRB1; DRw10; DW2.2/DR2.2; FLJ75017; FLJ76359; HLA class II antigen; HLA class II histocompatibility antigen, DP(W4) beta chain; HLA class II histocompatibility antigen, DR-1 beta chain; HLA DP14-beta chain; HLA-DP histocompatibility type, beta-1 subunit; HLA-DR1B; HLA-DRB; HLA-DRB1*; human leucocyte antigen DRB1; lymphocyte antigen; lymphocyte antigen DRB1; major histocompatibility complex class II antigen beta chain; MHC class II antigen; MHC class II antigen beta chain; MHC class II antigen DP beta 1 chain; MHC class II antigen DPB1; MHC class II antigen DPbeta1; MHC class II antigen DQB1; MHC class II antigen HLA-DQ-beta-1; MHC class II DQ beta chain; MHC class II HLA-DP-beta-1; MHC class II HLA-DQ beta glycoprotein; MHC class II HLA-DR beta 1 chain; MHC class II HLA-DR-beta cell surface glycoprotein; MHC class II HLA-DRB1; MHC class II HLA-DRw10-beta; MHC class2 antigen; MHC DQ beta; MHC HLA DPB1; SS1; XXbac-BPG161M6.1
CELIAC1; DPB1; DRB1; DRw10; HLA-DP; HLA-DP1B; HLA-DPB; HLA-DPB1; HLA-DQB; HLA-DQB1; HLA-DR1B; HLA-DRB; HLA-DRB1; HLA-DRB2; IDDM1; SS1