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Human HLA-A Protein, hFc Tag

产品概述
Catalog Number PME100804
Package 10 μg ¥600.00 ; 50 μg ¥2350.00 ; 100 μg ¥3380.00
Description Recombinant human HLA-A protein with C-terminal human Fc tag
Synonyms Aw-33; Aw-74; HLAA
Uniprot ID P04439
Expression Host HEK293
Tag C-Human Fc
Molecular Characterization 这里上传图片
Molecular Weight The protein has a predicted molecular mass of 56.76 kDa after removal of the signal peptide.
Purity The purity of the protein is greater than 95% as determined by SDS-PAGE and Coomassie blue staining.
Formulation & Reconstitution Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8 % trehalose is added as protectants before lyophilization.
Storage Store at -80°C for 12 months (Avoid repeated freezing and thawing)
Usage Research use only
Images


Background HLA-A belongs to the HLA class I heavy chain paralogues. This class I molecule is a heterodimer consisting of a heavy chain and a light chain (beta-2 microglobulin). The heavy chain is anchored in the membrane. Class I molecules play a central role in the immune system by presenting peptides derived from the endoplasmic reticulum lumen. They are expressed in nearly all cells. The heavy chain is approximately 45 kDa and its gene contains 8 exons. Exon 1 encodes the leader peptide, exons 2 and 3 encode the alpha1 and alpha2 domains, which both bind the peptide, exon 4 encodes the alpha3 domain, exon 5 encodes the transmembrane region, and exons 6 and 7 encode the cytoplasmic tail. Polymorphisms within exon 2 and exon 3 are responsible for the peptide binding specificity of each class one molecule. Typing for these polymorphisms is routinely done for bone marrow and kidney transplantation. Hundreds of HLA-A alleles have been described.
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