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(Top) 1 Function 2 References 3 Further reading

KLRB1

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KLRB1

Identifiers

Aliases

KLRB1, CD161, CLEC5B, NKR, NKR-P1, NKR-P1A, NKRP1A, hNKR-P1A, killer cell lectin like receptor B1

External IDs

OMIM: 602890; MGI: 107540; HomoloGene: 84369; GeneCards: KLRB1; OMA:KLRB1 - orthologs

Gene location (Human)

Chr.	Chromosome 12 (human)^[1]

Band	12p13.31	Start	9,594,551 bp^[1]
Band	12p13.31	End	9,607,916 bp^[1]

Gene location (Mouse)

Chr.	Chromosome 6 (mouse)^[2]

Band	6 F3\|6 63.06 cM	Start	128,586,190 bp^[2]
Band	6 F3\|6 63.06 cM	End	128,600,496 bp^[2]

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

granulocyte

mucosa of ileum

jejunal mucosa

blood

spleen

appendix

lymph node

amniotic fluid

bone marrow

epithelium of colon

Top expressed in

morula

embryo

sciatic nerve

blood

spleen

jejunum

blastocyst

thymus

utricle

white adipose tissue

More reference expression data

BioGPS


More reference expression data

Gene ontology
Molecular function	transmembrane signaling receptor activity carbohydrate binding protein binding
Cellular component	integral component of membrane plasma membrane membrane
Biological process	cell surface receptor signaling pathway regulation of immune response
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


3820


17057

Ensembl


ENSG00000111796


ENSMUSG00000030361

UniProt


Q12918


P27811

RefSeq (mRNA)


NM_002258


NM_001159902 NM_010737

RefSeq (protein)


NP_002249


NP_001153374 NP_034867

Location (UCSC)

Chr 12: 9.59 – 9.61 Mb

Chr 6: 128.59 – 128.6 Mb

PubMed search

^[3]

^[4]

Wikidata

View/Edit Human

View/Edit Mouse

Killer cell lectin-like receptor subfamily B, member 1, also known as KLRB1, NKR-P1AorCD161 (cluster of differentiation 161), is a human gene.^[5]

Function[edit]

Natural killer (NK) cells are lymphocytes that mediate cytotoxicity and secrete cytokines after immune stimulation. Several genes of the C-type lectin superfamily, including the rodent NKRP1 family of glycoproteins, are expressed by NK cells and may be involved in the regulation of NK cell function. The KLRB1 protein contains an extracellular domain with several motifs characteristic of C-type lectins, a transmembrane domain, and a cytoplasmic domain. The KLRB1 protein, NKR-P1A or CD161, is classified as a type II membrane protein because it has an external C terminus.^[5] NKR-P1A, the receptor encoded by the KLRB1 gene, recognizes Lectin Like Transcript-1 (LLT1) as a functional ligand. Its engagement by NKR-P1 leads to clustering of the latter on the NK cell surface mediating an inhibitory signalling.^[6]

References[edit]

^ ^a ^b ^c GRCh38: Ensembl release 89: ENSG00000111796 – Ensembl, May 2017

^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000030361 – Ensembl, May 2017

^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

^ ^a ^b "Entrez Gene: KLRB1 killer cell lectin-like receptor subfamily B, member 1".

^ Bláha, Jan; Skálová, Tereza; Kalousková, Barbora; Skořepa, Ondřej; Cmunt, Denis; Grobárová, Valéria; Pazicky, Samuel; Poláchová, Edita; Abreu, Celeste; Stránský, Jan; Kovaľ, Tomáš; Dušková, Jarmila; Zhao, Yuguang; Harlos, Karl; Hašek, Jindřich (2022-08-26). "Structure of the human NK cell NKR-P1:LLT1 receptor:ligand complex reveals clustering in the immune synapse". Nature Communications. 13 (1): 5022. Bibcode:2022NatCo..13.5022B. doi:10.1038/s41467-022-32577-6. ISSN 2041-1723. PMC 9418145. PMID 36028489.

Further reading[edit]

Smith FB, Connor JM, Lee AJ, Cooke A, Lowe GD, Rumley A, Fowkes FG (2004). "Relationship of the platelet glycoprotein PlA and fibrinogen T/G+1689 polymorphisms with peripheral arterial disease and ischaemic heart disease". Thrombosis Research. 112 (4): 209–16. doi:10.1016/j.thromres.2003.11.010. PMID 14987913.

Lanier LL, Chang C, Phillips JH (September 1994). "Human NKR-P1A. A disulfide-linked homodimer of the C-type lectin superfamily expressed by a subset of NK and T lymphocytes". Journal of Immunology. 153 (6): 2417–28. doi:10.4049/jimmunol.153.6.2417. PMID 8077657. S2CID 13469677.

Poggi A, Costa P, Morelli L, Cantoni C, Pella N, Spada F, Biassoni R, Nanni L, Revello V, Tomasello E, Mingari MC, Moretta A, Moretta L (June 1996). "Expression of human NKRP1A by CD34+ immature thymocytes: NKRP1A-mediated regulation of proliferation and cytolytic activity". European Journal of Immunology. 26 (6): 1266–72. doi:10.1002/eji.1830260613. PMID 8647203. S2CID 25743796.

Renedo M, Arce I, Rodríguez A, Carretero M, Lanier LL, López-Botet M, Fernández-Ruiz E (1997). "The human natural killer gene complex is located on chromosome 12p12-p13". Immunogenetics. 46 (4): 307–11. doi:10.1007/s002510050276. PMID 9218532. S2CID 33359663.

Poggi A, Costa P, Zocchi MR, Moretta L (September 1997). "Phenotypic and functional analysis of CD4+ NKRP1A+ human T lymphocytes. Direct evidence that the NKRP1A molecule is involved in transendothelial migration". European Journal of Immunology. 27 (9): 2345–50. doi:10.1002/eji.1830270932. PMID 9341779. S2CID 86644924.

Poggi A, Rubartelli A, Moretta L, Zocchi MR (November 1997). "Expression and function of NKRP1A molecule on human monocytes and dendritic cells". European Journal of Immunology. 27 (11): 2965–70. doi:10.1002/eji.1830271132. PMID 9394825. S2CID 7980170.

Poggi A, Costa P, Tomasello E, Moretta L (May 1998). "IL-12-induced up-regulation of NKRP1A expression in human NK cells and consequent NKRP1A-mediated down-regulation of NK cell activation". European Journal of Immunology. 28 (5): 1611–6. doi:10.1002/(SICI)1521-4141(199805)28:05<1611::AID-IMMU1611>3.0.CO;2-6. PMID 9603467.

Carlyle JR, Martin A, Mehra A, Attisano L, Tsui FW, Zúñiga-Pflücker JC (May 1999). "Mouse NKR-P1B, a novel NK1.1 antigen with inhibitory function". Journal of Immunology. 162 (10): 5917–23. doi:10.4049/jimmunol.162.10.5917. PMID 10229828. S2CID 25157113.

Ishihara S, Nieda M, Kitayama J, Osada T, Yabe T, Ishikawa Y, Nagawa H, Muto T, Juji T (August 1999). "CD8(+)NKR-P1A (+)T cells preferentially accumulate in human liver". European Journal of Immunology. 29 (8): 2406–13. doi:10.1002/(SICI)1521-4141(199908)29:08<2406::AID-IMMU2406>3.0.CO;2-F. PMID 10458753. S2CID 22753216.

Iiai T, Watanabe H, Suda T, Okamoto H, Abo T, Hatakeyama K (July 2002). "CD161+ T (NT) cells exist predominantly in human intestinal epithelium as well as in liver". Clinical and Experimental Immunology. 129 (1): 92–8. doi:10.1046/j.1365-2249.2002.01886.x. PMC 1906419. PMID 12100027.

Iizuka K, Naidenko OV, Plougastel BF, Fremont DH, Yokoyama WM (August 2003). "Genetically linked C-type lectin-related ligands for the NKRP1 family of natural killer cell receptors". Nature Immunology. 4 (8): 801–7. doi:10.1038/ni954. PMID 12858173. S2CID 23775959.

Carlyle JR, Jamieson AM, Gasser S, Clingan CS, Arase H, Raulet DH (March 2004). "Missing self-recognition of Ocil/Clr-b by inhibitory NKR-P1 natural killer cell receptors". Proceedings of the National Academy of Sciences of the United States of America. 101 (10): 3527–32. Bibcode:2004PNAS..101.3527C. doi:10.1073/pnas.0308304101. PMC 373496. PMID 14990792.

Aldemir H, Prod'homme V, Dumaurier MJ, Retiere C, Poupon G, Cazareth J, Bihl F, Braud VM (December 2005). "Cutting edge: lectin-like transcript 1 is a ligand for the CD161 receptor". Journal of Immunology. 175 (12): 7791–5. doi:10.4049/jimmunol.175.12.7791. PMID 16339512.

Rosen DB, Bettadapura J, Alsharifi M, Mathew PA, Warren HS, Lanier LL (December 2005). "Cutting edge: lectin-like transcript-1 is a ligand for the inhibitory human NKR-P1A receptor". Journal of Immunology. 175 (12): 7796–9. doi:10.4049/jimmunol.175.12.7796. PMID 16339513.

Pozo D, Valés-Gómez M, Mavaddat N, Williamson SC, Chisholm SE, Reyburn H (February 2006). "CD161 (human NKR-P1A) signaling in NK cells involves the activation of acid sphingomyelinase". Journal of Immunology. 176 (4): 2397–406. doi:10.4049/jimmunol.176.4.2397. PMID 16455998.

Christiansen D, Mouhtouris E, Milland J, Zingoni A, Santoni A, Sandrin MS (September 2006). "Recognition of a carbohydrate xenoepitope by human NKRP1A (CD161)". Xenotransplantation. 13 (5): 440–6. doi:10.1111/j.1399-3089.2006.00332.x. hdl:11573/239293. PMID 16925668. S2CID 36862954.

Rosen DB, Cao W, Avery DT, Tangye SG, Liu YJ, Houchins JP, Lanier LL (May 2008). "Functional consequences of interactions between human NKR-P1A and its ligand LLT1 expressed on activated dendritic cells and B cells". Journal of Immunology. 180 (10): 6508–17. doi:10.4049/jimmunol.180.10.6508. PMC 2577150. PMID 18453569.

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

v t e Proteins: clusters of differentiation (see also list of human clusters of differentiation)
1–50	CD1 a-c 1A 1B 1D 1E CD2 CD3 γ δ ε CD4 CD5 CD6 CD7 CD8 a CD9 CD10 CD11 a b c d CD13 CD14 CD15 CD16 A B CD18 CD19 CD20 CD21 CD22 CD23 CD24 CD25 CD26 CD27 CD28 CD29 CD30 CD31 CD32 A B CD33 CD34 CD35 CD36 CD37 CD38 CD39 CD40 CD41 CD42 a b c d CD43 CD44 CD45 CD46 CD47 CD48 CD49 a b c d e f CD50
51–100	CD51 CD52 CD53 CD54 CD55 CD56 CD57 CD58 CD59 CD61 CD62 E L P CD63 CD64 A B C CD66 a b c d e f CD68 CD69 CD70 CD71 CD72 CD73 CD74 CD78 CD79 a b CD80 CD81 CD82 CD83 CD84 CD85 a d e h j k CD86 CD87 CD88 CD89 CD90 CD91 - CD92 CD93 CD94 CD95 CD96 CD97 CD98 CD99 CD100
101–150	CD101 CD102 CD103 CD104 CD105 CD106 CD107 a b CD108 CD109 CD110 CD111 CD112 CD113 CD114 CD115 CD116 CD117 CD118 CD119 CD120 a b CD121 a b CD122 CD123 CD124 CD125 CD126 CD127 CD129 CD130 CD131 CD132 CD133 CD134 CD135 CD136 CD137 CD138 CD140b CD141 CD142 CD143 CD144 CD146 CD147 CD148 CD150
151–200	CD151 CD152 CD153 CD154 CD155 CD156 a b c CD157 CD158 (a d e i k) CD159 a c CD160 CD161 CD162 CD163 CD164 CD166 CD167 a b CD168 CD169 CD170 CD171 CD172 a b g CD174 CD177 CD178 CD179 a b CD180 CD181 CD182 CD183 CD184 CD185 CD186 CD191 CD192 CD193 CD194 CD195 CD196 CD197 CDw198 CDw199 CD200
201–250	CD201 CD202b CD204 CD205 CD206 CD207 CD208 CD209 CDw210 a b CD212 CD213a 1 2 CD217 CD218 (a b) CD220 CD221 CD222 CD223 CD224 CD225 CD226 CD227 CD228 CD229 CD230 CD233 CD234 CD235 a b CD236 CD238 CD239 CD240CE CD240D CD241 CD243 CD244 CD246 CD247 - CD248 CD249
251–300	CD252 CD253 CD254 CD256 CD257 CD258 CD261 CD262 CD263 CD264 CD265 CD266 CD267 CD268 CD269 CD271 CD272 CD273 CD274 CD275 CD276 CD278 CD279 CD280 CD281 CD282 CD283 CD284 CD286 CD288 CD289 CD290 CD292 CDw293 CD294 CD295 CD297 CD298 CD299
301–350	CD300A CD301 CD302 CD303 CD304 CD305 CD306 CD307 CD309 CD312 CD314 CD315 CD316 CD317 CD318 CD320 CD321 CD322 CD324 CD325 CD326 CD327 CD328 CD329 CD331 CD332 CD333 CD334 CD335 CD336 CD337 CD338 CD339 CD340 CD344 CD349 CD350

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