HLA-DRB1 Rabbit Polyclonal Antibody

Specifications

Product Data
Applications	WB
Recommend Dilution	WB:1:500-1:3000
Reactivity	Human, Dog
Host	Rabbit
Clonality	Polyclonal
Immunogen	Recombinant fragment contain a sequence corresponding to a region within amino acids 56 and 250 of HLA-DRB1 (Uniprot ID#P01912)
Formulation	0.1M Tris, 0.1M Glycine, 10% Glycerol (pH7). 0.01% Thimerosal was added as a preservative.
Concentration	lot specific
Purification	Purified by antigen-affinity chromatography.
Conjugation	Unconjugated
Storage Condition	Store at -20°C as received.
Predicted Protein Size	30 kDa
Gene Name	major histocompatibility complex, class II, DR beta 1
Database Link	NP_002115 Entrez Gene 474860 DogEntrez Gene 3123 Human UniProt ID P01911
Background	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]
Synonyms	DRB1; DRw10; HLA-DR1B; HLA-DRB; SS1
Note	Seq homology of immunogen across species: Dog (86%)
Reference Data
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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