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MHCII

Cat Number: AB-84301
Size: 100ug
Clone: POLY
Concentration: 1mg/ml
Host: Rb
Isotype: IgG
Immunogen: Recombinant fusion protein containing a sequence corresponding to amino acids 26-216 of human HLA-DRA
Reactivity: Hu, Ms
Applications:

Western Blot: 1:500 – 1:2000
Immunofluorescence: 1:50 – 1:200

Molecular Weight: 37kDa
Purification: Aff. Pur.
Synonyms: HLA-DRA;HLA-DRA1;major histocompatibility complex;class II;DR alpha
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.

Form: Liquid
Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3.
Storage: Store at -20℃. Avoid freeze / thaw cycles.
AB-84301-1.jpg

Western blot analysis of extracts of
various cell lines, using HLA-DRA
antibody at 1:1000 dilution.
Secondary antibody: HRP Goat Anti-
Rabbit IgG (H+L) at 1:10000
dilution.
Lysates/proteins: 25ug per lane.
Blocking buffer: 3% nonfat dry milk in
TBST.