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Human LILRA5/CD85f/ILT11 Protein

Product Info
Source

Recombinant Human LILRA5/CD85f/ILT11 Protein is expressed from Expi293 with His tag and Avi tag at the C-terminal. It contains Gly42-Arg268.[Accession | A6NI73]

Molecular Weight

The protein has a predicted MW of 28.2 kDa. Due to glycosylation, the protein migrates to 38-50 kDa based on Tris-Bis PAGE result.

Endotoxin

Less than 1EU per μg by the LAL method.

Purity

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

Formulation

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

Reconstitution

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

Storage

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

Assay Data
Tris-Bis PAGE

Human LILRA5 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

SEC-HPLC

The purity of Human LILRA5 is greater than 95% as determined by SEC-HPLC.

Background

The leukocyte immunoglobulin-like receptors (LILR) comprise a family of activating and inhibitory type immunoreceptors whose genes are located in the same locus that encodes killer cell Ig-like receptors (KIRs) . Human LILRA5, also known as ILT11, LIR-9, and CD85f, consists of a 227 amino acid (aa) extracellular domain (ECD), a 21 aa transmembrane segment, and a 10 aa cytoplasmic tail. LILRA5 may play a role in triggering innate immune responses. Does not seem to play a role for any class I MHC antigen recognition.

Synonyms

CD85 antigen-like family member F; CD85; CD85f antigen; CD85f; ILT11; ILT-11; ILT11CD85f; Immunoglobulin-like transcript 11; leukocyte Ig-like receptor 9; Leukocyte immunoglobulin-like receptor 9; leukocyte immunoglobulin-like receptor subfamily A member 5 soluble; leukocyte immunoglobulin-like receptor subfamily A member 5; leukocyte immunoglobulin-like receptor, subfamily A (with TM domain), member 5; leukocyte immunoglobulin-like receptor, subfamily B (with TM and ITIM domains); LILRA5; LILRB7; LIR9; LIR-9; LIR9immunoglobulin-like transcript 11 protein; member 7

References

(1)LILRA5 is expressed by synovial tissue macrophages in rheumatoid arthritis, selectively induces pro-inflammatory cytokines and IL-10 and is regulated by TNF-alpha, IL-10 and IFN-gamma [J]. European Journal of Immunology, 2008, 38(12):3459-3473.

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