KIR3DL1
Available structures PDB Human UniProt search: PDBe RCSB List of PDB id codes 3VH8, 3WUW, 5B38, 5B39
Identifiers
Aliases	KIR3DL1, CD158E1, KIR, KIR3DL1/S1, NKAT-3, NKAT3, NKB1, NKB1B, KIR3DL2, killer cell immunoglobulin like receptor, three Ig domains and long cytoplasmic tail 1, KIR2DL5B
External IDs	OMIM: 604946 HomoloGene: 135918 GeneCards: KIR3DL1
Gene location (Human) Chr. Chromosome 19 (human)[1] Band 19q13.42 Start 54,816,468 bp[1] End 54,830,778 bp[1]
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in blood spleen right lung upper lobe of left lung bone marrow lymph node placenta endometrium right lobe of liver monocyte n/a More reference expression data BioGPS More reference expression data
Gene ontology Molecular function HLA-B specific inhibitory MHC class I receptor activity amyloid-beta binding protein binding Cellular component integral component of membrane plasma membrane integral component of plasma membrane membrane Biological process immune response natural killer cell mediated cytotoxicity regulation of immune response signal transduction Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 3811 n/a Ensembl ENSG00000284589 ENSG00000274146 ENSG00000278368 ENSG00000273775 ENSG00000276501 ENSG00000278427 ENSG00000274948 ENSG00000274036 ENSG00000274920 ENSG00000275786 ENSG00000276329 ENSG00000277272 ENSG00000283954 ENSG00000275486 ENSG00000275545 ENSG00000278079 ENSG00000273518 ENSG00000275717 ENSG00000277175 ENSG00000167633 ENSG00000283729 ENSG00000283731 ENSG00000276423 ENSG00000275659 ENSG00000278856 ENSG00000284426 ENSG00000275288 ENSG00000284093 ENSG00000283827 ENSG00000284177 ENSG00000276379 ENSG00000284342 n/a UniProt P43629 n/a RefSeq (mRNA) NM_013289 NM_001322168 n/a RefSeq (protein) NP_001309097 NP_037421 n/a Location (UCSC) Chr 19: 54.82 – 54.83 Mb n/a PubMed search [2] n/a
Wikidata
View/Edit Human

Killer cell immunoglobulin-like receptor 3DL1 is a protein that in humans is encoded by the KIR3DL1 gene.^[3][4][5]

Killer cell immunoglobulin-like receptors (KIRs) are transmembrane glycoproteins expressed by natural killer cells and subsets of T cells. The KIR genes are polymorphic and highly homologous and they are found in a cluster on chromosome 19q13.4 within the 1 Mb leukocyte immunoglobulin-like receptor complex (LRC). The gene content of the KIR gene cluster varies among haplotypes, although several "framework" genes are found in all haplotypes (KIR3DL3, KIR3DP1, KIR3DL4, KIR3DL2). The KIR proteins are classified by the number of extracellular immunoglobulin domains (2D or 3D) and by whether they have a long (L) or short (S) cytoplasmic domain. KIR proteins with the long cytoplasmic domain transduce inhibitory signals upon ligand binding via an immune tyrosine-based inhibitory motif (ITIM), while KIR proteins with the short cytoplasmic domain lack the ITIM motif and instead associate with the TYRO protein tyrosine kinase binding protein to transduce activating signals. The ligands for several KIR proteins are subsets of HLA class I molecules; thus, KIR proteins are thought to play an important role in regulation of the immune response.^[5]