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Human LILRA4/CD85g Protein

Product Info

Recombinant Human LILRA4/CD85g Protein is expressed from Expi293 with His tag and Avi tag at the C-terminal. It contains Glu24-Asn446.[Accession | P59901]

Molecular Weight

The protein has a predicted MW of 49.5 kDa. Due to glycosylation, the protein migrates to 60-75 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 LILRA4 on Tris-Bis PAGE under reduced conditions. The purity is greater than 95%.


The purity of Human LILRA4 is greater than 95% as determined by SEC-HPLC.


LILRA4, also known as ILT7 and CD85g, is an approximately 60-70 kDa variably glycosylated transmembrane protein that regulates immune cell activation. Mature human LILRA4 consists of a 423 amino acid (aa) extracellular domain (ECD) with four immunoglobulin-like domains, a 21 aa transmembrane segment, and a 32 aa cytoplasmic domain.LILRA4 function coreceptor to limit the innate immune responses to viral infections; signaling occurs via FCER1G (PubMed:16735691, PubMed:19564354). Down-regulates the production of IFNA1, IFNA2, IFNA4, IFNB1 and TNF by plasmacytoid dendritic cells that have been exposed to influenza virus or cytidine-phosphate-guanosine (CpG) dinucleotides, indicating it functions as negative regulator of TLR7 and TLR9 signaling cascades.


CD85 antigen-like family member G; CD85g antigen; CD85g; ILT7; ILT-7; ILT7MGC129598; Immunoglobulin-like transcript 7; leukocyte immunoglobulin-like receptor subfamily A member 4; leukocyte immunoglobulin-like receptor, subfamily A (with TM domain), member 4; leukocyte immunoglobulin-like receptor, subfamily A (without TM domain), member4; LILRA4; MGC129597


(1)Anderson K J , Allen R L . Regulation of T‐cell immunity by leucocyte immunoglobulin‐like receptors: innate immune receptors for self on antigen‐presenting cells[J]. Immunology, 2009, 127.

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