HLA-DRB1 (NM_002124) Human Recombinant Protein

CAT#: TP318764

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Recombinant protein of human major histocompatibility complex, class II, DR beta 1 (HLA-DRB1)


 Product Datasheet for 'TP318764'

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USD 748.00


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    • 20 ug


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Specifications

Product Data
Description Recombinant protein of human major histocompatibility complex, class II, DR beta 1 (HLA-DRB1)
Species Human
Expression Host HEK293T
Tag C-Myc/DDK
Predicted MW 27 kDa
Concentration >50 ug/mL as determined by microplate BCA method
Purity > 80% as determined by SDS-PAGE and Coomassie blue staining
Buffer 25 mM Tris.HCl, pH 7.3, 100 mM glycine, 10% glycerol
Preparation Recombinant protein was captured through anti-DDK affinity column followed by conventional chromatography steps.
Reference Data
RefSeq NP_002115
Locus ID 3123
Refseq Size 1182
Cytogenetics 6p21.32
Refseq ORF 798
Synonyms DRB1; DRw10; HLA-DR1B; HLA-DRB; SS1
Summary 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. [provided by RefSeq, Jul 2008]
Protein Families Transmembrane
Protein Pathways Allograft rejection, Antigen processing and presentation, Asthma, Autoimmune thyroid disease, Cell adhesion molecules (CAMs), Graft-versus-host disease, Hematopoietic cell lineage, Systemic lupus erythematosus, Type I diabetes mellitus, Viral myocarditis

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