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Human LILRA1/CD85i/LIR-6 Protein

Product Info

Recombinant Human LILRA1/CD85i/LIR-6 Protein is expressed from Expi293 with His tag and Avi tag at the C-terminal. It contains Pro17-Asn461.[Accession | O75019]

Molecular Weight

The protein has a predicted MW of 51.4 kDa. Due to glycosylation, the protein migrates to 70-80 kDa based on Tris-Bis PAGE result.


Less than 1EU per μg by the LAL method.


> 95% as determined by Tris-Bis PAGE
> 95% as determined by SEC-HPLC


Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 5 % trehalose is added as protectant before lyophilization.


Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.


The product should be stored at -70℃ or -20℃.

Assay Data
Tris-Bis PAGE

Human LILRA1 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.


The purity of Human LILRA1 is greater than 95% as determined by SEC-HPLC.


LILRA1, also known as CD85i and LIR-6, is an approximately 70 kDa variably glycosylated transmembrane protein that regulates immune cell activation. Mature human LILRA1 consists of a 445 amino acid (aa) extracellular domain (ECD) with 4 Ig-like domains, a 21 aa transmembrane segment, and a 7 aa cytoplasmic tail. LILRA1 may act as receptor for class I MHC antigens.


CD85 antigen-like family member I; CD85i antigen; CD85i; leukocyte immunoglobulin-like receptor subfamily A member 1 soluble isoform; leukocyte immunoglobulin-like receptor subfamily A member 1; leukocyte immunoglobulin-like receptor, subfamily A (with TM domain), member 1; LILRA1; LIR6; LIR-6; LIR-6Leukocyte immunoglobulin-like receptor 6; LIR6MGC126563


(1)The MHC class I‐LILRB1 signalling axis as a promising target in cancer therapy[J]. Scandinavian Journal of Immunology, 2019.

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