LILRA3

LILRA3
Available structures
PDBHuman UniProt search: PDBe RCSB
Identifiers
Aliases LILRA3, CD85E, HM31, HM43, ILT-6, ILT6, LIR-4, LIR4, leukocyte immunoglobulin like receptor A3
External IDs GeneCards: LILRA3
RNA expression pattern
More reference expression data
Orthologs
Species Human Mouse
Entrez

11026

n/a

Ensembl

n/a

n/a

UniProt

Q8N6C8

n/a

RefSeq (mRNA)

NM_001172654
NM_006865

n/a

RefSeq (protein)

NP_001166125.1
NP_006856.3

n/a

Location (UCSC) n/a n/a
PubMed search [1] n/a
Wikidata
View/Edit Human

Leukocyte immunoglobulin-like receptor subfamily A member 3 (LILR-A3) also known as CD85 antigen-like family member E (CD85e), immunoglobulin-like transcript 6 (ILT-6), and leukocyte immunoglobulin-like receptor 4 (LIR-4) is a protein that in humans is encoded by the LILRA3 gene located within the eukocyte receptor complex on chromosome 19q13.4. Unlike many of its family, LILRA3 lacks a transmembrane domain. The function of LILRA3 is currently unknown. however it is highly homologous to other LILR genes,[2] and can bind human leukocyte antigen (HLA) class I. Therefore, if secreted, the LILRA3 might impair interactions of membrane-bound LILRs (such as LILRB1, an inhibitory receptor expressed on effector and memory CD8 T cells) with their HLA ligands, thus modulating immune reactions and influencing susceptibility to disease.[3][4][5]

Like the closely related LILRA1, LILRA3 binds to both normal and 'unfolded' free heavy chains of HLA class I, with a preference for free heavy chains of HLA-C alleles [6]

See also

References

  1. ↑ "Human PubMed Reference:".
  2. ↑ Torkar M, Haude A, Milne S, Beck S, Trowsdale J, Wilson MJ (December 2000). "Arrangement of the ILT gene cluster: a common null allele of the ILT6 gene results from a 6.7-kbp deletion". European Journal of Immunology. 30 (12): 3655–62. doi:10.1002/1521-4141(200012)30:12<3655::aid-immu3655>3.0.co;2-y. PMID 11169408.
  3. ↑ Arm JP, Nwankwo C, Austen KF (September 1997). "Molecular identification of a novel family of human Ig superfamily members that possess immunoreceptor tyrosine-based inhibition motifs and homology to the mouse gp49B1 inhibitory receptor". Journal of Immunology. 159 (5): 2342–9. PMID 9278324.
  4. ↑ Borges L, Hsu ML, Fanger N, Kubin M, Cosman D (December 1997). "A family of human lymphoid and myeloid Ig-like receptors, some of which bind to MHC class I molecules". Journal of Immunology. 159 (11): 5192–6. PMID 9548455.
  5. ↑ "Entrez Gene: LILRA3 leukocyte immunoglobulin-like receptor, subfamily A (without TM domain), member 3".
  6. ↑ Jones DC, Kosmoliaptsis V, Apps R, Lapaque N, Smith I, Kono A, Chang C, Boyle LH, Taylor CJ, Trowsdale J, Allen RL (March 2011). "HLA class I allelic sequence and conformation regulate leukocyte Ig-like receptor binding". Journal of Immunology. 186 (5): 2990–7. doi:10.4049/jimmunol.1003078. PMID 21270408.

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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