DRA Polyclonal Antibody

Ab type

Primary antibody

Background

HLA-DRA is one of the HLA class II alpha chain paralogues. This class II molecule is a heterodimer consisting of an alpha and a beta chain, 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 alpha chain is approximately 33-35 kDa and its gene contains 5 exons. Exon 1 encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, and exon 4 encodes the transmembrane domain and the cytoplasmic tail. DRA does not have polymorphisms in the peptide binding part and acts as the sole alpha chain for DRB1, DRB3, DRB4 and DRB5.

Reactivity

Human, Rat, Mouse

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Immunogen

Synthesized peptide derived from human protein . at AA range: 100-180

Storage Stability

-20°C for 1 year

Concentration

1 mg/ml

MolecularWeight_Da

synonyms

HLA class II histocompatibility antigen, DR alpha chain ;MHC class II antigen DRA