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Human LILRB1/CD85j/ILT2 Protein 3327

$525.00$1,750.00

Summary

  • Expression: HEK293
  • Pure: Yes (HPLC)
  • Amino Acid Range: Leu116-Val461
SKU: 3327parent Categories: , Tag:
Weight1 lbs
Dimensions9 × 5 × 2 in
accession

Q8NHL6

express system

HEK293

product tag

C-His

purity

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

background

LILRB1, also known as CD85j and IL-T2, is a 110 kDa transmembrane glycoprotein in the LILR immunoregulatory protein family. Mature human LILRB1 consists of a 438 amino acid (aa) extracellular domain (ECD) with 4 tandem Ig-like domains, a 21 aa transmembrane segment, and a 168 aa cytoplasmic domain with 4 inhibitory ITIM motifs.LILRB1 is a receptor for class I MHC antigens.

molecular weight

The protein has a predicted MW of 38.15 kDa. Due to glycosylation, the protein migrates to 55-68 kDa based on Tris-Bis PAGE result.

available size

100 µg, 500 µg

endotoxin

Less than 1EU per μg by the LAL method.

Human LILRB1/CD85j/ILT2 Protein 3327

protein
Size and concentration
100, 500µg and lyophilized
Form
Lyophilized
Storage Instructions
Valid for 12 months from date of receipt when stored at -80°C. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
Storage buffer
Shipped at ambient temperature.
Purity
> 95% as determined by Tris-Bis PAGE
target relevance
LILRB1, also known as CD85j and IL-T2, is a 110 kDa transmembrane glycoprotein in the LILR immunoregulatory protein family. Mature human LILRB1 consists of a 438 amino acid (aa) extracellular domain (ECD) with 4 tandem Ig-like domains, a 21 aa transmembrane segment, and a 168 aa cytoplasmic domain with 4 inhibitory ITIM motifs.LILRB1 is a receptor for class I MHC antigens.
Protein names
Leukocyte immunoglobulin-like receptor subfamily B member 1 (LIR-1) (Leukocyte immunoglobulin-like receptor 1) (CD85 antigen-like family member J) (Immunoglobulin-like transcript 2) (ILT-2) (Monocyte/macrophage immunoglobulin-like receptor 7) (MIR-7) (CD antigen CD85j)
Gene names
LILRB1,LILRB1 ILT2 LIR1 MIR7
Mass
9606Da
Function
Receptor for class I MHC antigens. Recognizes a broad spectrum of HLA-A, HLA-B, HLA-C, HLA-G and HLA-F alleles (PubMed:16455647, PubMed:28636952). Receptor for H301/UL18, a human cytomegalovirus class I MHC homolog. Ligand binding results in inhibitory signals and down-regulation of the immune response. Engagement of LILRB1 present on natural killer cells or T-cells by class I MHC molecules protects the target cells from lysis. Interaction with HLA-B or HLA-E leads to inhibition of FCER1A signaling and serotonin release. Inhibits FCGR1A-mediated phosphorylation of cellular proteins and mobilization of intracellular calcium ions (PubMed:11907092, PubMed:9285411, PubMed:9842885). Recognizes HLA-G in complex with B2M/beta-2 microglobulin and a nonamer self-peptide (PubMed:16455647). Upon interaction with peptide-bound HLA-G-B2M complex, triggers secretion of growth-promoting factors by decidual NK cells (PubMed:19304799, PubMed:29262349). Reprograms B cells toward an immune suppressive phenotype (PubMed:24453251).
Subellular location
Cell membrane ; Single-pass type I membrane protein .; [Isoform 5]: Secreted .
Tissues
Expressed in B cells, monocytes and various dendritic cell (DC) subsets including myeloid, plasmacytoid and tolerogenic DCs (at protein level) (PubMed:20448110, PubMed:24453251, PubMed:9285411, PubMed:9842885). Expressed in decidual macrophages (at protein level) (PubMed:19304799). Expressed in decidual NK cells (at protein level) (PubMed:29262349).
Structure
Binds PTPN6 when phosphorylated (PubMed:9285411). Binds FCER1A and FCGR1A (PubMed:11907092, PubMed:9842885). Interacts with human cytomegalovirus/HHV-5 protein UL18 (PubMed:10591185). Interacts with peptide-bound HLA-G-B2M complex (PubMed:16455647). Interacts with peptide-bound HLA-F-B2M complex but not with peptide-free HLA-F open conformer. It does not probe the peptide sequence directly (PubMed:28636952).
Post-translational modification
Phosphorylated on tyrosine residues. Dephosphorylated by PTPN6.
Domain
Co
Target Relevance information above includes information from UniProt accession: Q8NHL6
The UniProt Consortium

Data

HPLC of Human LILRB1/CD85j/ILT2 Protein
The purity of Human LILRB1 is greater than 95% as determined by SEC-HPLC.
SDS-PAGE gel of Human LILRB1/CD85j/ILT2 Protein
Human LILRB1 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

Publications

Published literature highly relevant to the biological target of this product and referencing this antibody or clone are retrieved from PubMed database provided by The United States National Library of Medicine at the National Institutes of Health.




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Protocols

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Documents

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