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CLEC4M
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	1K9J, 1SL6, 1XAR, 1XPH, 3JQH
Identifiers
Aliases	CLEC4M , CD209L, CD299, DC-SIGN2, DC-SIGNR, DCSIGNR, HP10347, L-SIGN, LSIGN, C-type lectin domain family 4 member M
External IDs	OMIM: 605872; MGI: 2157942; HomoloGene: 129771; GeneCards: CLEC4M; OMA:CLEC4M - orthologs
Gene location (Human)
Chr.	Chromosome 19 (human)
End	7,769,605 bp
Gene location (Mouse)
Chr.	Chromosome 8 (mouse)
End	3,798,984 bp
RNA expression pattern
	Top expressed in
	right lobe of liver; ; germinal epithelium; ; lymph node; ; pancreatic ductal cell; ; right lung; ; testicle; ; placenta; ; left ovary; ; right adrenal gland; ; left adrenal cortex;
	Top expressed in
	granulocyte; ; lip; ; skin of abdomen; ; right kidney; ; muscle of thigh; ; spleen; ; right lung lobe; ; white adipose tissue; ; carotid body; ; skin of external ear;
	More reference expression data
	; ;
	More reference expression data
Gene ontology
Molecular function	peptide antigen binding ; virus receptor activity ; metal ion binding ; calcium-dependent protein binding ; mannose binding ; virion binding ; ICAM-3 receptor activity ; carbohydrate binding ; signaling receptor activity ; protein binding ;
Cellular component	cytoplasm ; integral component of membrane ; membrane ; plasma membrane ; integral component of plasma membrane ; extracellular region ; host cell ;
Biological process	leukocyte cell-cell adhesion ; cell-cell recognition ; intracellular transport of virus ; intracellular signal transduction ; antigen processing and presentation ; endocytosis ; adaptive immune response ; immune system process ; viral genome replication ; peptide antigen transport ; modulation by virus of host process ; innate immune response ; viral process ; virion attachment to host cell ; viral entry into host cell ;
	Sources:Amigo / QuickGO
Orthologs
	10332
	170786
	ENSG00000104938
	ENSMUSG00000031494
	Q9H2X3
	Q91ZX1
NM_001144904 ; NM_001144905 ; NM_001144906 ; NM_001144907 ; NM_001144908 ;
	NM_001144909 ; NM_001144910 ; NM_001144911 ; NM_014257 ; NM_214675 ; NM_214676 Contents References ; Further reading ; External links ;
	NM_133238
NP_001138376 ; NP_001138377 ; NP_001138378 ; NP_001138379 ; NP_001138380 ;
	NP_001138381 ; NP_001138382 ; NP_001138383 ; NP_055072
	NP_573501
	Wikidata
View/Edit Human	View/Edit Mouse

CLEC4M

Last updated September 03, 2025

C-type lectin domain family 4 member M is a protein that in humans is encoded by the CLEC4M gene.^[5] CLEC4M has also been designated as CD299 (cluster of differentiation 299).

This gene encodes L-SIGN (liver/lymph node-specific intracellular adhesion molecules-3 grabbing non-integrin), a type II integral membrane protein that is 77% identical to CD209 antigen, an HIV gp120-binding protein. This protein, like CD209, efficiently binds both intercellular adhesion molecule 3 (ICAM3) and HIV-1 gp120, and enhances HIV-1 infection of T cells. This gene is mapped to 19p13.3, in a cluster with the CD209 and CD23/FCER2 genes. Multiple alternatively spliced transcript variants have been found for this gene, but the biological validity of some variants has not been determined.^[6]

References

1 2 3 GRCh38: Ensembl release 89: ENSG00000104938 – Ensembl, May 2017
1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000031494 – 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.
↑ Yokoyama-Kobayashi M, Yamaguchi T, Sekine S, Kato S (Apr 1999). "Selection of cDNAs encoding putative type II membrane proteins on the cell surface from a human full-length cDNA bank". Gene. 228 (1–2): 161–7. doi:10.1016/S0378-1119(99)00004-9. PMID 10072769.
↑ "Entrez Gene: CLEC4M C-type lectin domain family 4, member M".

Baribaud F, Doms RW, Pöhlmann S (2006). "The role of DC-SIGN and DC-SIGNR in HIV and Ebola virus infection: can potential therapeutics block virus transmission and dissemination?". Expert Opin. Ther. Targets. 6 (4): 423–31. doi:10.1517/14728222.6.4.423. PMID 12223058. S2CID 21541850.
Becker Y (2004). "HIV-1 gp120 binding to dendritic cell receptors mobilize the virus to the lymph nodes, but the induced IL-4 synthesis by FcepsilonRI+ hematopoietic cells damages the adaptive immunity--a review, hypothesis, and implications". Virus Genes. 29 (1): 147–65. doi: 10.1023/B:VIRU.0000032797.43537.d3 . PMID 15215692. S2CID 5666009.
Lalor PF, Lai WK, Curbishley SM, et al. (2006). "Human hepatic sinusoidal endothelial cells can be distinguished by expression of phenotypic markers related to their specialised functions in vivo". World J. Gastroenterol. 12 (34): 5429–39. doi: 10.3748/wjg.v12.i34.5429 . PMC 4088223 . PMID 17006978.
Curtis BM, Scharnowske S, Watson AJ (1992). "Sequence and expression of a membrane-associated C-type lectin that exhibits CD4-independent binding of human immunodeficiency virus envelope glycoprotein gp120". Proc. Natl. Acad. Sci. U.S.A. 89 (17): 8356–60. Bibcode:1992PNAS...89.8356C. doi: 10.1073/pnas.89.17.8356 . PMC 49917 . PMID 1518869.
Gattegno L, Ramdani A, Jouault T, et al. (1992). "Lectin-carbohydrate interactions and infectivity of human immunodeficiency virus type 1 (HIV-1)". AIDS Res. Hum. Retroviruses. 8 (1): 27–37. doi:10.1089/aid.1992.8.27. PMID 1736938.
Soilleux EJ, Barten R, Trowsdale J (2000). "DC-SIGN; a related gene, DC-SIGNR; and CD23 form a cluster on 19p13". J. Immunol. 165 (6): 2937–42. doi: 10.4049/jimmunol.165.6.2937 . PMID 10975799.
Pöhlmann S, Soilleux EJ, Baribaud F, et al. (2001). "DC-SIGNR, a DC-SIGN homologue expressed in endothelial cells, binds to human and simian immunodeficiency viruses and activates infection in trans". Proc. Natl. Acad. Sci. U.S.A. 98 (5): 2670–5. Bibcode:2001PNAS...98.2670P. doi: 10.1073/pnas.051631398 . PMC 30196 . PMID 11226297.
Bashirova AA, Geijtenbeek TB, van Duijnhoven GC, et al. (2001). "A dendritic cell-specific intercellular adhesion molecule 3-grabbing nonintegrin (DC-SIGN)-related protein is highly expressed on human liver sinusoidal endothelial cells and promotes HIV-1 infection". J. Exp. Med. 193 (6): 671–8. doi:10.1084/jem.193.6.671. PMC 2193415 . PMID 11257134.
Mummidi S, Catano G, Lam L, et al. (2001). "Extensive repertoire of membrane-bound and soluble dendritic cell-specific ICAM-3-grabbing nonintegrin 1 (DC-SIGN1) and DC-SIGN2 isoforms. Inter-individual variation in expression of DC-SIGN transcripts". J. Biol. Chem. 276 (35): 33196–212. doi: 10.1074/jbc.M009807200 . PMID 11337487.
Mitchell DA, Fadden AJ, Drickamer K (2001). "A novel mechanism of carbohydrate recognition by the C-type lectins DC-SIGN and DC-SIGNR. Subunit organization and binding to multivalent ligands". J. Biol. Chem. 276 (31): 28939–45. doi: 10.1074/jbc.M104565200 . PMID 11384997.
Feinberg H, Mitchell DA, Drickamer K, Weis WI (2002). "Structural basis for selective recognition of oligosaccharides by DC-SIGN and DC-SIGNR". Science. 294 (5549): 2163–6. doi:10.1126/science.1066371. PMID 11739956. S2CID 25046581.
Alvarez CP, Lasala F, Carrillo J, et al. (2002). "C-type lectins DC-SIGN and L-SIGN mediate cellular entry by Ebola virus in cis and in trans". J. Virol. 76 (13): 6841–4. doi:10.1128/JVI.76.13.6841-6844.2002. PMC 136246 . PMID 12050398.
Soilleux EJ, Morris LS, Rushbrook S, et al. (2002). "Expression of human immunodeficiency virus (HIV)-binding lectin DC-SIGNR: Consequences for HIV infection and immunity". Hum. Pathol. 33 (6): 652–9. doi:10.1053/hupa.2002.124036. PMID 12152166.
Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi: 10.1073/pnas.242603899 . PMC 139241 . PMID 12477932.
Lin G, Simmons G, Pöhlmann S, et al. (2003). "Differential N-linked glycosylation of human immunodeficiency virus and Ebola virus envelope glycoproteins modulates interactions with DC-SIGN and DC-SIGNR". J. Virol. 77 (2): 1337–46. doi:10.1128/JVI.77.2.1337-1346.2003. PMC 140807 . PMID 12502850.
Pöhlmann S, Zhang J, Baribaud F, et al. (2003). "Hepatitis C virus glycoproteins interact with DC-SIGN and DC-SIGNR". J. Virol. 77 (7): 4070–80. doi:10.1128/JVI.77.7.4070-4080.2003. PMC 150620 . PMID 12634366.
Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi: 10.1038/ng1285 . PMID 14702039.
Engering A, van Vliet SJ, Hebeda K, et al. (2004). "Dynamic populations of dendritic cell-specific ICAM-3 grabbing nonintegrin-positive immature dendritic cells and liver/lymph node-specific ICAM-3 grabbing nonintegrin-positive endothelial cells in the outer zones of the paracortex of human lymph nodes". Am. J. Pathol. 164 (5): 1587–95. doi:10.1016/S0002-9440(10)63717-0. PMC 1615649 . PMID 15111305.

External links

CLEC4M+protein,+human at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
CLEC4M human gene location in the UCSC Genome Browser .
CLEC4M human gene details in the UCSC Genome Browser .

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[refGRCh38Ensembl-1] 1 2 3 GRCh38: Ensembl release 89: ENSG00000104938 – Ensembl, May 2017

[refGRCm38Ensembl-2] 1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000031494 – Ensembl, May 2017

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

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

[pmid10072769-5] Yokoyama-Kobayashi M, Yamaguchi T, Sekine S, Kato S (Apr 1999). "Selection of cDNAs encoding putative type II membrane proteins on the cell surface from a human full-length cDNA bank". Gene. 228 (1–2): 161–7. doi:10.1016/S0378-1119(99)00004-9. PMID 10072769.

[entrez-6] "Entrez Gene: CLEC4M C-type lectin domain family 4, member M".

[1]

[2]

[3]

[4]

[5]

[6]

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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CLEC4M

Contents

References

Further reading

External links