STRINGSTRING
HAPLN4 HAPLN4 CEACAM7 CEACAM7 CD4 CD4 CEACAM1 CEACAM1 PILRA PILRA CEACAM6 CEACAM6 CEACAM4 CEACAM4 CEACAM5 CEACAM5 CADM4 CADM4 CRTAM CRTAM CEACAM8 CEACAM8 BTN1A1 BTN1A1 BTN3A3 BTN3A3 TREM1 TREM1 VPREB3 VPREB3 IGSF21 IGSF21 NECTIN2 NECTIN2 NCAN NCAN HAPLN2 HAPLN2 CD33 CD33 NECTIN1 NECTIN1 MCAM MCAM CD80 CD80 VCAN VCAN TAPBPL TAPBPL IGSF6 IGSF6 PSG9 PSG9 BCAM BCAM HMCN1 HMCN1 HAPLN1 HAPLN1 TIMD4 TIMD4 LRRC4C LRRC4C ESAM ESAM MPZL2 MPZL2 SCN2B SCN2B MPZL3 MPZL3 FLT1 FLT1 IGSF10 IGSF10 THY1 THY1 CXADR CXADR BTN3A1 BTN3A1 SIGLEC12 SIGLEC12 PSG6 PSG6 VCAM1 VCAM1 HEPACAM HEPACAM JAM3 JAM3 VSTM2A VSTM2A PSG8 PSG8 SIRPG SIRPG ALCAM ALCAM PSG1 PSG1 HAVCR2 HAVCR2 CD7 CD7 BTN2A1 BTN2A1 DSCAML1 DSCAML1 FCAMR FCAMR VSIG2 VSIG2 PSG11 PSG11 ICOS ICOS CD276 CD276 CD300LG CD300LG SIGLEC8 SIGLEC8 SCN4B SCN4B SIGLEC7 SIGLEC7 CD28 CD28 FAM187A FAM187A CD300C CD300C CADM1 CADM1 BTNL9 BTNL9 VSTM4 VSTM4 CD8B CD8B BCAN BCAN CD86 CD86 PSG3 PSG3 VSTM2B VSTM2B PDCD1 PDCD1 SIGLEC1 SIGLEC1 BTNL3 BTNL3 NCR3 NCR3 BTNL8 BTNL8 TREML4 TREML4 SIGLEC10 SIGLEC10 PAPLN PAPLN JAML JAML PIGR PIGR BTN2A2 BTN2A2 CEACAM3 CEACAM3 HHLA2 HHLA2 VSIG10 VSIG10 MPZL1 MPZL1 SIRPB2 SIRPB2 CD300A CD300A SIGLEC14 SIGLEC14 FCMR FCMR GPA33 GPA33 NECTIN4 NECTIN4 F11R F11R SLAMF6 SLAMF6 IGSF8 IGSF8 VSIG8 VSIG8 CADM3 CADM3 VTCN1 VTCN1 CD101 CD101 CD2 CD2 IGSF3 IGSF3 ERMAP ERMAP NCR2 NCR2 TREM2 TREM2 VSTM2L VSTM2L HSPG2 HSPG2 VSIG4 VSIG4 CD300LD CD300LD LY6G6F LY6G6F MOG MOG BTN3A2 BTN3A2 CD83 CD83 CD274 CD274 SIRPB1 SIRPB1 SIRPD SIRPD SIGLEC15 SIGLEC15 CD300E CD300E CD300LB CD300LB SCN3B SCN3B CD79B CD79B PTGFRN PTGFRN IGSF11 IGSF11 VSIR VSIR PSG5 PSG5 DSCAM DSCAM JAM2 JAM2 NCAM2 NCAM2 CADM2 CADM2 PSG4 PSG4 CEACAM19 CEACAM19 VPREB1 VPREB1 PSG2 PSG2 CEACAM21 CEACAM21 CD8A CD8A ACAN ACAN BTNL2 BTNL2 SCN1B SCN1B MXRA8 MXRA8 SIGLEC6 SIGLEC6 PVR PVR VSIG1 VSIG1 CLMP CLMP SIGLEC11 SIGLEC11 SIGLEC9 SIGLEC9 ROBO2 ROBO2 NECTIN3 NECTIN3 TIGIT TIGIT CD200 CD200 ROBO1 ROBO1 LY6G6F-LY6G6D LY6G6F-LY6G6D IGSF9B IGSF9B IGKV2D-28 IGKV2D-28 IGKV2D-40 IGKV2D-40 H3BML4_HUMAN H3BML4_HUMAN OBSCN OBSCN HAPLN3 HAPLN3 CD226 CD226 CD300LF CD300LF CEACAM16 CEACAM16 TTN TTN SIGLEC5-2 SIGLEC5-2 IGHV3-11 IGHV3-11 LOC102723407 LOC102723407 IGHV3-16 IGHV3-16 SIRPA SIRPA IGKV1-33 IGKV1-33 IGHV1-3 IGHV1-3 IGHV3-15 IGHV3-15 IGHV3-72 IGHV3-72 IGHV3-43D IGHV3-43D IGKV2D-29 IGKV2D-29 CD48 CD48 TRDV1 TRDV1 LOC102723996 LOC102723996 HMCN2 HMCN2 HAVCR1 HAVCR1 CD8B2 CD8B2 CTLA4 CTLA4
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proteins of unknown 3D structure
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HAPLN4Hyaluronan and proteoglycan link protein 4; Binds to hyaluronic acid and may be involved in formation of the extracellular matrix. (402 aa)
CEACAM7CEA cell adhesion molecule 7; Belongs to the immunoglobulin superfamily. CEA family. (265 aa)
CD4T-cell surface glycoprotein CD4; Integral membrane glycoprotein that plays an essential role in the immune response and serves multiple functions in responses against both external and internal offenses. In T-cells, functions primarily as a coreceptor for MHC class II molecule:peptide complex. The antigens presented by class II peptides are derived from extracellular proteins while class I peptides are derived from cytosolic proteins. Interacts simultaneously with the T-cell receptor (TCR) and the MHC class II presented by antigen presenting cells (APCs). In turn, recruits the Src kina [...] (458 aa)
CEACAM1Carcinoembryonic antigen-related cell adhesion molecule 1; [Isoform 1]: Cell adhesion protein that mediates homophilic cell adhesion in a calcium-independent manner (By similarity). Plays a role as coinhibitory receptor in immune response, insulin action and functions also as an activator during angiogenesis. Its coinhibitory receptor function is phosphorylation- and PTPN6 -dependent, which in turn, suppress signal transduction of associated receptors by dephosphorylation of their downstream effectors. Plays a role in immune response, of T cells, natural killer (NK) and neutrophils. Up [...] (526 aa)
PILRAPaired immunoglobulin-like type 2 receptor alpha; Paired receptors consist of highly related activating and inhibitory receptors and are widely involved in the regulation of the immune system. PILRA is thought to act as a cellular signaling inhibitory receptor by recruiting cytoplasmic phosphatases like PTPN6/SHP-1 and PTPN11/SHP-2 via their SH2 domains that block signal transduction through dephosphorylation of signaling molecules. Receptor for PIANP. (303 aa)
CEACAM6Carcinoembryonic antigen-related cell adhesion molecule 6; Cell surface glycoprotein that plays a role in cell adhesion and tumor progression. Intercellular adhesion occurs in a calcium- and fibronectin-independent manner. Mediates homophilic and heterophilic cell adhesion with other carcinoembryonic antigen-related cell adhesion molecules, such as CEACAM5 and CEACAM8. Heterophilic interaction with CEACAM8 occurs in activated neutrophils. Plays a role in neutrophil adhesion to cytokine-activated endothelial cells. Plays a role as an oncogene by promoting tumor progression; positively r [...] (344 aa)
CEACAM4Carcinoembryonic antigen-related cell adhesion molecule 4; Granulocyte orphan receptor that acts as an trigger efficient phagocytosis of attached particles. (244 aa)
CEACAM5Carcinoembryonic antigen-related cell adhesion molecule 5; Cell surface glycoprotein that plays a role in cell adhesion, intracellular signaling and tumor progression. Mediates homophilic and heterophilic cell adhesion with other carcinoembryonic antigen-related cell adhesion molecules, such as CEACAM6. Plays a role as an oncogene by promoting tumor progression; induces resistance to anoikis of colorectal carcinoma cells. Belongs to the immunoglobulin superfamily. CEA family. (702 aa)
CADM4Cell adhesion molecule 4; Involved in the cell-cell adhesion. Has calcium- and magnesium-independent cell-cell adhesion activity. May have tumor- suppressor activity. (388 aa)
CRTAMCytotoxic and regulatory T-cell molecule; Interaction with CADM1 promotes natural killer (NK) cell cytotoxicity and interferon-gamma (IFN-gamma) secretion by CD8+ cells in vitro as well as NK cell-mediated rejection of tumors expressing CADM3 in vivo; Belongs to the nectin family. (393 aa)
CEACAM8Carcinoembryonic antigen-related cell adhesion molecule 8; Cell surface glycoprotein that plays a role in cell adhesion in a calcium-independent manner. Mediates heterophilic cell adhesion with other carcinoembryonic antigen-related cell adhesion molecules, such as CEACAM6. Heterophilic interaction with CEACAM8 occurs in activated neutrophils ; Belongs to the immunoglobulin superfamily. CEA family. (349 aa)
BTN1A1Butyrophilin subfamily 1 member A1; May function in the secretion of milk-fat droplets. May act as a specific membrane-associated receptor for the association of cytoplasmic droplets with the apical plasma membrane (By similarity). Inhibits the proliferation of CD4 and CD8 T-cells activated by anti-CD3 antibodies, T-cell metabolism and IL2 and IFNG secretion (By similarity); Belongs to the immunoglobulin superfamily. BTN/MOG family. (526 aa)
BTN3A3Butyrophilin subfamily 3 member A3; Plays a role in T-cell responses in the adaptive immune response; Belongs to the immunoglobulin superfamily. BTN/MOG family. (584 aa)
TREM1Triggering receptor expressed on myeloid cells 1; Stimulates neutrophil and monocyte-mediated inflammatory responses. Triggers release of pro-inflammatory chemokines and cytokines, as well as increased surface expression of cell activation markers. Amplifier of inflammatory responses that are triggered by bacterial and fungal infections and is a crucial mediator of septic shock. (234 aa)
VPREB3Pre-B lymphocyte protein 3; Associates with the Ig-mu chain to form a molecular complex that is expressed on the surface of pre-B-cells; Belongs to the immunoglobulin superfamily. (123 aa)
IGSF21Immunoglobulin superfamily member 21; Involved in synaptic inhibition in the brain. Selectively regulates inhibitory presynaptic differentiation through interacting with presynaptic NRXN2. (467 aa)
NECTIN2Nectin-2; Modulator of T-cell signaling. Can be either a costimulator of T-cell function, or a coinhibitor, depending on the receptor it binds to. Upon binding to CD226, stimulates T-cell proliferation and cytokine production, including that of IL2, IL5, IL10, IL13, and IFNG. Upon interaction with PVRIG, inhibits T-cell proliferation. These interactions are competitive. Probable cell adhesion protein ; Belongs to the nectin family. (538 aa)
NCANNeurocan core protein; May modulate neuronal adhesion and neurite growth during development by binding to neural cell adhesion molecules (NG-CAM and N- CAM). Chondroitin sulfate proteoglycan; binds to hyaluronic acid; Belongs to the aggrecan/versican proteoglycan family. (1321 aa)
HAPLN2Hyaluronan and proteoglycan link protein 2; Mediates a firm binding of versican V2 to hyaluronic acid. May play a pivotal role in the formation of the hyaluronan-associated matrix in the central nervous system (CNS) which facilitates neuronal conduction and general structural stabilization. Binds to hyaluronic acid (By similarity). (340 aa)
CD33Myeloid cell surface antigen CD33; Sialic-acid-binding immunoglobulin-like lectin (Siglec) that plays a role in mediating cell-cell interactions and in maintaining immune cells in a resting state. Preferentially recognizes and binds alpha-2,3- and more avidly alpha-2,6-linked sialic acid-bearing glycans. Upon engagement of ligands such as C1q or syalylated glycoproteins, two immunoreceptor tyrosine-based inhibitory motifs (ITIMs) located in CD33 cytoplasmic tail are phosphorylated by Src-like kinases such as LCK. These phosphorylations provide docking sites for the recruitment and acti [...] (364 aa)
NECTIN1Nectin-1; Promotes cell-cell contacts by forming homophilic or heterophilic trans-dimers. Heterophilic interactions have been detected between NECTIN1 and NECTIN3 and between NECTIN1 and NECTIN4. Has some neurite outgrowth-promoting activity; Belongs to the nectin family. (517 aa)
MCAMCell surface glycoprotein MUC18; Plays a role in cell adhesion, and in cohesion of the endothelial monolayer at intercellular junctions in vascular tissue. Its expression may allow melanoma cells to interact with cellular elements of the vascular system, thereby enhancing hematogeneous tumor spread. Could be an adhesion molecule active in neural crest cells during embryonic development. Acts as surface receptor that triggers tyrosine phosphorylation of FYN and PTK2/FAK1, and a transient increase in the intracellular calcium concentration. (646 aa)
CD80T-lymphocyte activation antigen CD80; Involved in the costimulatory signal essential for T- lymphocyte activation. T-cell proliferation and cytokine production is induced by the binding of CD28, binding to CTLA-4 has opposite effects and inhibits T-cell activation. (288 aa)
VCANVersican core protein; May play a role in intercellular signaling and in connecting cells with the extracellular matrix. May take part in the regulation of cell motility, growth and differentiation. Binds hyaluronic acid. (3396 aa)
TAPBPLTapasin-related protein; Component of the antigen processing and presentation pathway, which binds to MHC class I coupled with beta2-microglobulin/B2M. Association between TAPBPR and MHC class I occurs in the absence of a functional peptide-loading complex (PLC). (468 aa)
IGSF6Immunoglobulin superfamily member 6. (241 aa)
PSG9Pregnancy specific beta-1-glycoprotein 9. (426 aa)
BCAMBasal cell adhesion molecule; Laminin alpha-5 receptor. May mediate intracellular signaling. (628 aa)
HMCN1Hemicentin-1; Promotes cleavage furrow maturation during cytokinesis in preimplantation embryos. May play a role in the architecture of adhesive and flexible epithelial cell junctions. May play a role during myocardial remodeling by imparting an effect on cardiac fibroblast migration. (5635 aa)
HAPLN1Hyaluronan and proteoglycan link protein 1; Stabilizes the aggregates of proteoglycan monomers with hyaluronic acid in the extracellular cartilage matrix. (354 aa)
TIMD4T-cell immunoglobulin and mucin domain-containing protein 4; Phosphatidylserine receptor that enhances the engulfment of apoptotic cells. Involved in regulating T-cell proliferation and lymphotoxin signaling. Ligand for HAVCR1/TIMD1 (By similarity). Belongs to the immunoglobulin superfamily. TIM family. (378 aa)
LRRC4CLeucine-rich repeat-containing protein 4C; May promote neurite outgrowth of developing thalamic neurons. (640 aa)
ESAMEndothelial cell-selective adhesion molecule; Can mediate aggregation most likely through a homophilic molecular interaction. (390 aa)
MPZL2Myelin protein zero-like protein 2; Mediates homophilic cell-cell adhesion. (215 aa)
SCN2BSodium channel subunit beta-2; Crucial in the assembly, expression, and functional modulation of the heterotrimeric complex of the sodium channel. The subunit beta-2 causes an increase in the plasma membrane surface area and in its folding into microvilli. Interacts with TNR may play a crucial role in clustering and regulation of activity of sodium channels at nodes of Ranvier (By similarity); Belongs to the sodium channel auxiliary subunit SCN2B (TC 8.A.17) family. (215 aa)
MPZL3Myelin protein zero-like protein 3; Mediates homophilic cell-cell adhesion; Belongs to the myelin P0 protein family. (235 aa)
FLT1Vascular endothelial growth factor receptor 1; Tyrosine-protein kinase that acts as a cell-surface receptor for VEGFA, VEGFB and PGF, and plays an essential role in the development of embryonic vasculature, the regulation of angiogenesis, cell survival, cell migration, macrophage function, chemotaxis, and cancer cell invasion. May play an essential role as a negative regulator of embryonic angiogenesis by inhibiting excessive proliferation of endothelial cells. Can promote endothelial cell proliferation, survival and angiogenesis in adulthood. Its function in promoting cell proliferati [...] (1338 aa)
IGSF10Immunoglobulin superfamily member 10; Involved in the control of early migration of neurons expressing gonadotropin-releasing hormone (GNRH neurons) (By similarity). May be involved in the maintenance of osteochondroprogenitor cells pool (By similarity). (2623 aa)
THY1Thy-1 membrane glycoprotein; May play a role in cell-cell or cell-ligand interactions during synaptogenesis and other events in the brain. (161 aa)
CXADRCoxsackievirus and adenovirus receptor; Component of the epithelial apical junction complex that may function as a homophilic cell adhesion molecule and is essential for tight junction integrity. Also involved in transepithelial migration of leukocytes through adhesive interactions with JAML a transmembrane protein of the plasma membrane of leukocytes. The interaction between both receptors also mediates the activation of gamma-delta T-cells, a subpopulation of T-cells residing in epithelia and involved in tissue homeostasis and repair. Upon epithelial CXADR-binding, JAML induces downs [...] (365 aa)
BTN3A1Butyrophilin subfamily 3 member A1; Plays a role in T-cell activation and in the adaptive immune response. Regulates the proliferation of activated T-cells. Regulates the release of cytokines and IFNG by activated T-cells. Mediates the response of T-cells toward infected and transformed cells that are characterized by high levels of phosphorylated metabolites, such as isopentenyl pyrophosphate. (513 aa)
SIGLEC12Sialic acid-binding Ig-like lectin 12; Putative adhesion molecule that mediates sialic-acid dependent binding to cells. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. (595 aa)
PSG6Pregnancy specific beta-1-glycoprotein 6. (435 aa)
VCAM1Vascular cell adhesion protein 1; Important in cell-cell recognition. Appears to function in leukocyte-endothelial cell adhesion. Interacts with integrin alpha- 4/beta-1 (ITGA4/ITGB1) on leukocytes, and mediates both adhesion and signal transduction. The VCAM1/ITGA4/ITGB1 interaction may play a pathophysiologic role both in immune responses and in leukocyte emigration to sites of inflammation. (739 aa)
HEPACAMHepatocyte cell adhesion molecule; Involved in regulating cell motility and cell-matrix interactions. May inhibit cell growth through suppression of cell proliferation. (416 aa)
JAM3Junctional adhesion molecule C; Junctional adhesion protein that mediates heterotypic cell- cell interactions with its cognate receptor JAM2 to regulate different cellular processes. Plays a role in homing and mobilization of hematopoietic stem and progenitor cells within the bone marrow. At the surface of bone marrow stromal cells, it contributes to the retention of the hematopoietic stem and progenitor cells expressing JAM3. Plays a central role in leukocytes extravasation by facilitating transmigration through the endothelium (By similarity). Plays a role in spermatogenesis where JA [...] (310 aa)
VSTM2AV-set and transmembrane domain-containing protein 2A; Plays a role in the regulation of the early stage of white and brown preadipocyte cell differentiation. Promotes adipogenic commitment of preadipocytes by increasing gene expression of the transcription factor PPARG in a BMP4-dependent signaling pathway. (244 aa)
PSG8Pregnancy specific beta-1-glycoprotein 8. (426 aa)
SIRPGSignal-regulatory protein gamma; Probable immunoglobulin-like cell surface receptor. On binding with CD47, mediates cell-cell adhesion. Engagement on T-cells by CD47 on antigen-presenting cells results in enhanced antigen- specific T-cell proliferation and costimulates T-cell activation. (387 aa)
ALCAMCD166 antigen; Cell adhesion molecule that mediates both heterotypic cell- cell contacts via its interaction with CD6, as well as homotypic cell- cell contacts. Promotes T-cell activation and proliferation via its interactions with CD6. Contributes to the formation and maturation of the immunological synapse via its interactions with CD6. Mediates homotypic interactions with cells that express ALCAM. Required for normal hematopoietic stem cell engraftment in the bone marrow. Mediates attachment of dendritic cells onto endothelial cells via homotypic interaction. Inhibits endothelial ce [...] (583 aa)
PSG1Pregnancy specific beta-1-glycoprotein 1; Belongs to the immunoglobulin superfamily. CEA family. (428 aa)
HAVCR2Hepatitis A virus cellular receptor 2; Cell surface receptor implicated in modulating innate and adaptive immune responses. Generally accepted to have an inhibiting function. Reports on stimulating functions suggest that the activity may be influenced by the cellular context and/or the respective ligand. Regulates macrophage activation. Inhibits T-helper type 1 lymphocyte (Th1)-mediated auto- and alloimmune responses and promotes immunological tolerance. In CD8+ cells attenuates TCR-induced signaling, specifically by blocking NF-kappaB and NFAT promoter activities resulting in the loss [...] (301 aa)
CD7T-cell antigen CD7; Not yet known. (240 aa)
BTN2A1Butyrophilin subfamily 2 member A1. (527 aa)
DSCAML1Down syndrome cell adhesion molecule-like protein 1; Cell adhesion molecule that plays a role in neuronal self- avoidance. Promotes repulsion between specific neuronal processes of either the same cell or the same subtype of cells. Promotes both isoneuronal self-avoidance for creating an orderly neurite arborization in retinal rod bipolar cells and heteroneuronal self-avoidance to maintain mosaic spacing between AII amacrine cells (By similarity). Adhesion molecule that promotes lamina-specific synaptic connections in the retina: expressed in specific subsets of interneurons and retina [...] (2113 aa)
FCAMRHigh affinity immunoglobulin alpha and immunoglobulin mu Fc receptor; Functions as a receptor for the Fc fragment of IgA and IgM. Binds IgA and IgM with high affinity and mediates their endocytosis. May function in the immune response to microbes mediated by IgA and IgM. (577 aa)
VSIG2V-set and immunoglobulin domain containing 2. (327 aa)
PSG11Pregnancy specific beta-1-glycoprotein 11. (335 aa)
ICOSInducible T-cell costimulator; Enhances all basic T-cell responses to a foreign antigen, namely proliferation, secretion of lymphokines, up-regulation of molecules that mediate cell-cell interaction, and effective help for antibody secretion by B-cells. Essential both for efficient interaction between T and B-cells and for normal antibody responses to T-cell dependent antigens. Does not up-regulate the production of interleukin- 2, but superinduces the synthesis of interleukin-10. Prevents the apoptosis of pre-activated T-cells. Plays a critical role in CD40- mediated class switching o [...] (199 aa)
CD276CD276 antigen; May participate in the regulation of T-cell-mediated immune response. May play a protective role in tumor cells by inhibiting natural-killer mediated cell lysis as well as a role of marker for detection of neuroblastoma cells. May be involved in the development of acute and chronic transplant rejection and in the regulation of lymphocytic activity at mucosal surfaces. Could also play a key role in providing the placenta and fetus with a suitable immunological environment throughout pregnancy. Both isoform 1 and isoform 2 appear to be redundant in their ability to modulat [...] (534 aa)
CD300LGCMRF35-like molecule 9; Receptor which may mediate L-selectin-dependent lymphocyte rollings. Binds SELL in a calcium dependent manner. Binds lymphocyte (By similarity). (332 aa)
SIGLEC8Sialic acid-binding Ig-like lectin 8; Putative adhesion molecule that mediates sialic-acid dependent binding to red blood cells. Preferentially binds to alpha-2,3-linked sialic acid. Also binds to alpha-2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. Recognizes simultaneously epitopes having a terminal N-acetylneuraminic acid (sialic acid) and an underlying 6-O-sulfated galactose. Preferentially binds to Gal-6- sulfated sialyl-Lewis X glycan epitopes. (499 aa)
SCN4BSodium channel subunit beta-4; Modulates channel gating kinetics. Causes negative shifts in the voltage dependence of activation of certain alpha sodium channels, but does not affect the voltage dependence of inactivation. Modulates the susceptibility of the sodium channel to inhibition by toxic peptides from spider, scorpion, wasp and sea anemone venom. (228 aa)
SIGLEC7Sialic acid-binding Ig-like lectin 7; Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Preferentially binds to alpha-2,3- and alpha-2,6-linked sialic acid. Also binds disialogangliosides (disialogalactosyl globoside, disialyl lactotetraosylceramide and disialyl GalNAc lactotetraoslylceramide). The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. In the immune response, may act as an inhibitory receptor upon ligand induced tyrosine phosphorylation by recruiting cytoplasmic phosphatase(s) via their [...] (467 aa)
CD28T-cell-specific surface glycoprotein CD28; Involved in T-cell activation, the induction of cell proliferation and cytokine production and promotion of T-cell survival. Enhances the production of IL4 and IL10 in T-cells in conjunction with TCR/CD3 ligation and CD40L costimulation. Isoform 3 enhances CD40L-mediated activation of NF-kappa-B and kinases MAPK8 and PAK2 in T-cells. (220 aa)
FAM187AIg-like V-type domain-containing protein FAM187A; Family with sequence similarity 187 member A. (413 aa)
CD300CCMRF35-like molecule 6; CD300c molecule; Belongs to the CD300 family. (224 aa)
CADM1Cell adhesion molecule 1; Mediates homophilic cell-cell adhesion in a Ca(2+)- independent manner. Also mediates heterophilic cell-cell adhesion with CADM3 and NECTIN3 in a Ca(2+)-independent manner. Acts as a tumor suppressor in non-small-cell lung cancer (NSCLC) cells. Interaction with CRTAM promotes natural killer (NK) cell cytotoxicity and interferon-gamma (IFN-gamma) secretion by CD8+ cells in vitro as well as NK cell-mediated rejection of tumors expressing CADM3 in vivo. May contribute to the less invasive phenotypes of lepidic growth tumor cells. In mast cells, may mediate attach [...] (471 aa)
BTNL9Butyrophilin-like protein 9; Butyrophilin like 9; Belongs to the immunoglobulin superfamily. BTN/MOG family. (535 aa)
VSTM4V-set and transmembrane domain-containing protein 4; Peptide Lv enhances L-type voltage-gated calcium channel (L- VGCC) currents in retinal photoreceptors. (320 aa)
CD8BT-cell surface glycoprotein CD8 beta chain; CD8b molecule. (243 aa)
BCANBrevican core protein; May play a role in the terminally differentiating and the adult nervous system during postnatal development. Could stabilize interactions between hyaluronan (HA) and brain proteoglycans; Belongs to the aggrecan/versican proteoglycan family. (911 aa)
CD86T-lymphocyte activation antigen CD86; Receptor involved in the costimulatory signal essential for T-lymphocyte proliferation and interleukin-2 production, by binding CD28 or CTLA-4. May play a critical role in the early events of T-cell activation and costimulation of naive T-cells, such as deciding between immunity and anergy that is made by T-cells within 24 hours after activation. Isoform 2 interferes with the formation of CD86 clusters, and thus acts as a negative regulator of T-cell activation. (329 aa)
PSG3Pregnancy specific beta-1-glycoprotein 3; Belongs to the immunoglobulin superfamily. CEA family. (428 aa)
VSTM2BV-set and transmembrane domain containing 2B. (285 aa)
PDCD1Programmed cell death protein 1; Inhibitory receptor on antigen activated T-cells that plays a critical role in induction and maintenance of immune tolerance to self. Delivers inhibitory signals upon binding to ligands CD274/PDCD1L1 and CD273/PDCD1LG2. Following T-cell receptor (TCR) engagement, PDCD1 associates with CD3-TCR in the immunological synapse and directly inhibits T-cell activation (By similarity). Suppresses T-cell activation through the recruitment of PTPN11/SHP-2: following ligand-binding, PDCD1 is phosphorylated within the ITSM motif, leading to the recruitment of the pr [...] (288 aa)
SIGLEC1Sialoadhesin; Acts as an endocytic receptor mediating clathrin dependent endocytosis. Macrophage-restricted adhesion molecule that mediates sialic-acid dependent binding to lymphocytes, including granulocytes, monocytes, natural killer cells, B-cells and CD8 T-cells. Preferentially binds to alpha-2,3-linked sialic acid (By similarity). Binds to SPN/CD43 on T-cells (By similarity). May play a role in hemopoiesis. (1709 aa)
BTNL3Butyrophilin-like protein 3; Butyrophilin like 3. (466 aa)
NCR3Natural cytotoxicity triggering receptor 3; Cell membrane receptor of natural killer/NK cells that is activated by binding of extracellular ligands including BAG6 and NCR3LG1. Stimulates NK cells cytotoxicity toward neighboring cells producing these ligands. It controls, for instance, NK cells cytotoxicity against tumor cells. Engagement of NCR3 by BAG6 also promotes myeloid dendritic cells (DC) maturation, both through killing DCs that did not acquire a mature phenotype, and inducing the release by NK cells of TNFA and IFNG which promote DC maturation. (201 aa)
BTNL8Butyrophilin-like protein 8; May stimulate primary immune response. Acts on T-cell stimulated sub-optimally through the TCR/CD3 complex stimulating their proliferation and cytokine production; Belongs to the immunoglobulin superfamily. BTN/MOG family. (500 aa)
TREML4Trem-like transcript 4 protein; Positively regulates Toll-like receptor TLR7 signaling in macrophages. (200 aa)
SIGLEC10Sialic acid-binding Ig-like lectin 10; Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Preferentially binds to alpha-2,3- or alpha-2,6-linked sialic acid (By similarity). The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. In the immune response, seems to act as an inhibitory receptor upon ligand induced tyrosine phosphorylation by recruiting cytoplasmic phosphatase(s) via their SH2 domain(s) that block signal transduction through dephosphorylation of signaling molecules. Involved in negative re [...] (697 aa)
PAPLNPapilin, proteoglycan like sulfated glycoprotein; Belongs to the papilin family. (1251 aa)
JAMLJunctional adhesion molecule-like; Transmembrane protein of the plasma membrane of leukocytes that control their migration and activation through interaction with CXADR, a plasma membrane receptor found on adjacent epithelial and endothelial cells. The interaction between both receptors mediates the activation of gamma-delta T-cells, a subpopulation of T-cells residing in epithelia and involved in tissue homeostasis and repair. Upon epithelial CXADR-binding, JAML induces downstream cell signaling events in gamma-delta T-cells through PI3-kinase and MAP kinases. It results in proliferat [...] (394 aa)
PIGRPolymeric immunoglobulin receptor; This receptor binds polymeric IgA and IgM at the basolateral surface of epithelial cells. The complex is then transported across the cell to be secreted at the apical surface. During this process a cleavage occurs that separates the extracellular (known as the secretory component) from the transmembrane segment. (764 aa)
BTN2A2Butyrophilin subfamily 2 member A2; Inhibits the proliferation of CD4 and CD8 T-cells activated by anti-CD3 antibodies, T-cell metabolism and IL2 and IFNG secretion. Belongs to the immunoglobulin superfamily. BTN/MOG family. (523 aa)
CEACAM3Carcinoembryonic antigen-related cell adhesion molecule 3; Major granulocyte receptor mediating recognition and efficient opsonin-independent phagocytosis of CEACAM-binding microorganisms, including Neissiria, Moxarella and Haemophilus species, thus playing an important role in the clearance of pathogens by the innate immune system. Responsible for RAC1 stimulation in the course of pathogen phagocytosis. (252 aa)
HHLA2HERV-H LTR-associating protein 2; Through interaction with TMIGD2, costimulates T-cells in the context of TCR-mediated activation. Enhances T-cell proliferation and cytokine production via an AKT-dependent signaling cascade. (414 aa)
VSIG10V-set and immunoglobulin domain containing 10. (540 aa)
MPZL1Myelin protein zero-like protein 1; Cell surface receptor, which is involved in signal transduction processes. Recruits PTPN11/SHP-2 to the cell membrane and is a putative substrate of PTPN11/SHP-2. Is a major receptor for concanavalin-A (ConA) and is involved in cellular signaling induced by ConA, which probably includes Src family tyrosine-protein kinases. Isoform 3 seems to have a dominant negative role; it blocks tyrosine phosphorylation of MPZL1 induced by ConA. Isoform 1, but not isoform 2 and isoform 3, may be involved in regulation of integrin-mediated cell motility. (269 aa)
SIRPB2Signal-regulatory protein beta-2; Signal regulatory protein beta 2. (342 aa)
CD300ACMRF35-like molecule 8; Inhibitory receptor which may contribute to the down- regulation of cytolytic activity in natural killer (NK) cells, and to the down-regulation of mast cell degranulation. Negatively regulates the Toll-like receptor (TLR) signaling mediated by MYD88 but not TRIF through activation of PTPN6. Belongs to the CD300 family. (299 aa)
SIGLEC14Sialic acid-binding Ig-like lectin 14; Putative adhesion molecule. Sialic acid-binding paired receptor which may activate associated receptors. Belongs to the immunoglobulin superfamily. SIGLEC (sialic acid binding Ig-like lectin) family. (396 aa)
FCMRFas apoptotic inhibitory molecule 3; May play a role in the immune system processes. Protects cells from FAS-, TNF alpha- and FADD-induced apoptosis without increasing expression of the inhibitors of apoptosis BCL2 and BCLXL. Seems to activate an inhibitory pathway that prevents CASP8 activation following FAS stimulation, rather than blocking apoptotic signals downstream. May inhibit FAS-induced apoptosis by preventing CASP8 processing through CFLAR up-regulation. (390 aa)
GPA33Cell surface A33 antigen; May play a role in cell-cell recognition and signaling. (319 aa)
NECTIN4Processed poliovirus receptor-related protein 4; Seems to be involved in cell adhesion through trans- homophilic and -heterophilic interactions, the latter including specifically interactions with NECTIN1. Does not act as receptor for alpha-herpesvirus entry into cells. (510 aa)
F11RJunctional adhesion molecule A; Seems to play a role in epithelial tight junction formation. Appears early in primordial forms of cell junctions and recruits PARD3. The association of the PARD6-PARD3 complex may prevent the interaction of PARD3 with JAM1, thereby preventing tight junction assembly (By similarity). Plays a role in regulating monocyte transmigration involved in integrity of epithelial barrier (By similarity). Ligand for integrin alpha-L/beta-2 involved in memory T- cell and neutrophil transmigration. Involved in platelet activation. (Microbial infection) Acts as a recept [...] (299 aa)
SLAMF6SLAM family member 6; Self-ligand receptor of the signaling lymphocytic activation molecule (SLAM) family. SLAM receptors triggered by homo- or heterotypic cell-cell interactions are modulating the activation and differentiation of a wide variety of immune cells and thus are involved in the regulation and interconnection of both innate and adaptive immune response. Activities are controlled by presence or absence of small cytoplasmic adapter proteins, SH2D1A/SAP and/or SH2D1B/EAT-2. Triggers cytolytic activity only in natural killer cells (NK) expressing high surface densities of natur [...] (332 aa)
IGSF8Immunoglobulin superfamily member 8; May play a key role in diverse functions ascribed to CD81 and CD9 such as oocytes fertilization or hepatitis C virus function. May regulate proliferation and differentiation of keratinocytes. May be a negative regulator of cell motility: suppresses T-cell mobility coordinately with CD81, associates with CD82 to suppress prostate cancer cell migration, regulates epidermoid cell reaggregation and motility on laminin-5 with CD9 and CD81 as key linkers. May also play a role on integrin-dependent morphology and motility functions. May participate in the [...] (613 aa)
VSIG8V-set and immunoglobulin domain containing 8. (414 aa)
CADM3Cell adhesion molecule 3; Involved in the cell-cell adhesion. Has both calcium- independent homophilic cell-cell adhesion activity and calcium- independent heterophilic cell-cell adhesion activity with IGSF4, NECTIN1 and NECTIN3. Interaction with EPB41L1 may regulate structure or function of cell-cell junctions (By similarity). (432 aa)
VTCN1V-set domain-containing T-cell activation inhibitor 1; Negatively regulates T-cell-mediated immune response by inhibiting T-cell activation, proliferation, cytokine production and development of cytotoxicity. When expressed on the cell surface of tumor macrophages, plays an important role, together with regulatory T- cells (Treg), in the suppression of tumor-associated antigen-specific T-cell immunity. Involved in promoting epithelial cell transformation. (282 aa)
CD101Immunoglobulin superfamily member 2; Plays a role as inhibitor of T-cells proliferation induced by CD3. Inhibits expression of IL2RA on activated T-cells and secretion of IL2. Inhibits tyrosine kinases that are required for IL2 production and cellular proliferation. Inhibits phospholipase C-gamma-1/PLCG1 phosphorylation and subsequent CD3-induced changes in intracellular free calcium. Prevents nuclear translocation of nuclear factor of activated T-cell to the nucleus. Plays a role in the inhibition of T- cell proliferation via IL10 secretion by cutaneous dendritic cells. May be a marke [...] (1021 aa)
CD2T-cell surface antigen CD2; CD2 interacts with lymphocyte function-associated antigen CD58 (LFA-3) and CD48/BCM1 to mediate adhesion between T-cells and other cell types. CD2 is implicated in the triggering of T-cells, the cytoplasmic domain is implicated in the signaling function. (351 aa)
IGSF3Immunoglobulin superfamily member 3. (1214 aa)
ERMAPErythroid membrane-associated protein; Possible role as a cell-adhesion or receptor molecule of erythroid cells; Belongs to the immunoglobulin superfamily. BTN/MOG family. (475 aa)
NCR2Natural cytotoxicity triggering receptor 2; Cytotoxicity-activating receptor that may contribute to the increased efficiency of activated natural killer (NK) cells to mediate tumor cell lysis. (276 aa)
TREM2Triggering receptor expressed on myeloid cells 2; Forms a receptor signaling complex with TYROBP which mediates signaling and cell activation following ligand binding. Acts as a receptor for amyloid-beta protein 42, a cleavage product of the amyloid-beta precursor protein APP, and mediates its uptake and degradation by microglia. Binding to amyloid-beta 42 mediates microglial activation, proliferation, migration, apoptosis and expression of pro- inflammatory cytokines, such as IL6R and CCL3, and the anti- inflammatory cytokine ARG1 (By similarity). Acts as a receptor for lipoprotein pa [...] (230 aa)
VSTM2LV-set and transmembrane domain-containing protein 2-like protein; V-set and transmembrane domain containing 2 like. (204 aa)
HSPG2Basement membrane-specific heparan sulfate proteoglycan core protein; Integral component of basement membranes. Component of the glomerular basement membrane (GBM), responsible for the fixed negative electrostatic membrane charge, and which provides a barrier which is both size- and charge-selective. It serves as an attachment substrate for cells. Plays essential roles in vascularization. Critical for normal heart development and for regulating the vascular response to injury. Also required for avascular cartilage development. The LG3 peptide has anti-angiogenic properties that require [...] (4391 aa)
VSIG4V-set and immunoglobulin domain-containing protein 4; Phagocytic receptor, strong negative regulator of T-cell proliferation and IL2 production. Potent inhibitor of the alternative complement pathway convertases. (399 aa)
CD300LDCMRF35-like molecule 5; CD300 molecule like family member d. (194 aa)
LY6G6FLymphocyte antigen 6 complex locus protein G6f; May play a role in the downstream signal transduction pathways involving GRB2 and GRB7. (297 aa)
MOGMyelin-oligodendrocyte glycoprotein; Mediates homophilic cell-cell adhesion (By similarity). Minor component of the myelin sheath. May be involved in completion and/or maintenance of the myelin sheath and in cell-cell communication. Belongs to the immunoglobulin superfamily. BTN/MOG family. (295 aa)
BTN3A2Butyrophilin subfamily 3 member A2; Plays a role in T-cell responses in the adaptive immune response. Inhibits the release of IFNG from activated T-cells. Belongs to the immunoglobulin superfamily. BTN/MOG family. (334 aa)
CD83CD83 antigen; May play a significant role in antigen presentation or the cellular interactions that follow lymphocyte activation. (205 aa)
CD274Programmed cell death 1 ligand 1; Plays a critical role in induction and maintenance of immune tolerance to self. As a ligand for the inhibitory receptor PDCD1/PD-1, modulates the activation threshold of T-cells and limits T-cell effector response. Through a yet unknown activating receptor, may costimulate T-cell subsets that predominantly produce interleukin-10 (IL10). (290 aa)
SIRPB1Signal-regulatory protein beta-1; Immunoglobulin-like cell surface receptor involved in the negative regulation of receptor tyrosine kinase-coupled signaling processes. Participates also in the recruitment of tyrosine kinase SYK. Triggers activation of myeloid cells when associated with TYROBP. (398 aa)
SIRPDSignal regulatory protein delta. (197 aa)
SIGLEC15Sialic acid-binding Ig-like lectin 15; Binds sialylated glycoproteins. (328 aa)
CD300ECMRF35-like molecule 2; Probably acts as an activating receptor. (205 aa)
CD300LBCMRF35-like molecule 7; Acts as an activating immune receptor through its interaction with ITAM-bearing adapter TYROBP, and also independently by recruitment of GRB2. (201 aa)
SCN3BSodium channel subunit beta-3; Modulates channel gating kinetics. Causes unique persistent sodium currents. Inactivates the sodium channel opening more slowly than the subunit beta-1. Its association with NFASC may target the sodium channels to the nodes of Ranvier of developing axons and retain these channels at the nodes in mature myelinated axons (By similarity). (215 aa)
CD79BB-cell antigen receptor complex-associated protein beta chain; Required in cooperation with CD79A for initiation of the signal transduction cascade activated by the B-cell antigen receptor complex (BCR) which leads to internalization of the complex, trafficking to late endosomes and antigen presentation. Enhances phosphorylation of CD79A, possibly by recruiting kinases which phosphorylate CD79A or by recruiting proteins which bind to CD79A and protect it from dephosphorylation. (230 aa)
PTGFRNProstaglandin F2 receptor negative regulator; Inhibits the binding of prostaglandin F2-alpha (PGF2-alpha) to its specific FP receptor, by decreasing the receptor number rather than the affinity constant. Functional coupling with the prostaglandin F2-alpha receptor seems to occur (By similarity). In myoblasts, associates with tetraspanins CD9 and CD81 to prevent myotube fusion during muscle regeneration (By similarity). (879 aa)
IGSF11Immunoglobulin superfamily member 11; Functions as a cell adhesion molecule through homophilic interaction. Stimulates cell growth. (431 aa)
VSIRV-type immunoglobulin domain-containing suppressor of T-cell activation; Immunoregulatory receptor which inhibits the T-cell response. May promote differentiation of embryonic stem cells, by inhibiting BMP4 signaling (By similarity). May stimulate MMP14- mediated MMP2 activation. (311 aa)
PSG5Pregnancy specific beta-1-glycoprotein 5; Belongs to the immunoglobulin superfamily. CEA family. (335 aa)
DSCAMDown syndrome cell adhesion molecule; Cell adhesion molecule that plays a role in neuronal self- avoidance. Promotes repulsion between specific neuronal processes of either the same cell or the same subtype of cells. Mediates within retinal amacrine and ganglion cell subtypes both isoneuronal self- avoidance for creating an orderly dendritic arborization and heteroneuronal self-avoidance to maintain the mosaic spacing between amacrine and ganglion cell bodies. Receptor for netrin required for axon guidance independently of and in collaboration with the receptor DCC. Might also collabor [...] (2012 aa)
JAM2Junctional adhesion molecule B; Junctional adhesion protein that mediates heterotypic cell- cell interactions with its cognate receptor JAM3 to regulate different cellular processes. Plays a role in homing and mobilization of hematopoietic stem and progenitor cells within the bone marrow. At the surface of bone marrow stromal cells, it contributes to the retention of the hematopoietic stem and progenitor cells expressing JAM3. Plays a central role in leukocytes extravasation by facilitating not only transmigration but also tethering and rolling of leukocytes along the endothelium. Teth [...] (312 aa)
NCAM2Neural cell adhesion molecule 2; May play important roles in selective fasciculation and zone- to-zone projection of the primary olfactory axons. (837 aa)
CADM2Cell adhesion molecule 2; Adhesion molecule that engages in homo- and heterophilic interactions with the other nectin-like family members, leading to cell aggregation. Important for synapse organization, providing regulated trans-synaptic adhesion. Preferentially binds to oligodendrocytes. (437 aa)
PSG4Pregnancy specific beta-1-glycoprotein 4. (419 aa)
CEACAM19CEA cell adhesion molecule 19; Belongs to the immunoglobulin superfamily. CEA family. (300 aa)
VPREB1Immunoglobulin iota chain; Associates with the Ig-mu chain to form a molecular complex that is expressed on the surface of pre-B-cells. This complex presumably regulates Ig gene rearrangements in the early steps of B- cell differentiation. (145 aa)
PSG2Pregnancy specific beta-1-glycoprotein 2. (335 aa)
CEACAM21CEA cell adhesion molecule 21; Belongs to the immunoglobulin superfamily. CEA family. (293 aa)
CD8AT-cell surface glycoprotein CD8 alpha chain; Integral membrane glycoprotein that plays an essential role in the immune response and serves multiple functions in responses against both external and internal offenses. In T-cells, functions primarily as a coreceptor for MHC class I molecule:peptide complex. The antigens presented by class I peptides are derived from cytosolic proteins while class II derived from extracellular proteins. Interacts simultaneously with the T-cell receptor (TCR) and the MHC class I proteins presented by antigen presenting cells (APCs). In turn, recruits the Sr [...] (235 aa)
ACANAggrecan core protein 2; This proteoglycan is a major component of extracellular matrix of cartilagenous tissues. A major function of this protein is to resist compression in cartilage. It binds avidly to hyaluronic acid via an N-terminal globular region. (2530 aa)
BTNL2Butyrophilin-like protein 2; Negative regulator of T-cell proliferation; Belongs to the immunoglobulin superfamily. BTN/MOG family. (482 aa)
SCN1BSodium channel subunit beta-1; Regulatory subunit of multiple voltage-gated sodium channel complexes that play important roles in excitable membranes in brain, heart and skeletal muscle. Enhances the presence of the pore-forming alpha subunit at the cell surface and modulates channel gating characteristics and the rate of channel inactivation. Modulates the activity of multiple pore-forming alpha subunits, such as SCN1A, SCN2A, SCN3A, SCN4A, SCN5A and SCN10A. (268 aa)
MXRA8Matrix remodeling-associated protein 8; Transmembrane protein which can modulate activity of various signaling pathways, probably via binding to integrin ITGAV:ITGB3. Mediates heterophilic cell-cell interactions in vitro (By similarity). Inhibits osteoclastogenesis downstream of TNFSF11/RANKL and CSF1, where it may function by attenuating signaling via integrin ITGB3 and MAP kinase p38 (By similarity). Plays a role in cartilage formation where it promotes proliferation and maturation of growth plate chondrocytes (By similarity). Stimulates formation of primary cilia in chondrocytes (By [...] (450 aa)
SIGLEC6Sialic acid-binding Ig-like lectin 6; Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Binds to alpha-2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. (453 aa)
PVRPoliovirus receptor; Mediates NK cell adhesion and triggers NK cell effector functions. Binds two different NK cell receptors: CD96 and CD226. These interactions accumulates at the cell-cell contact site, leading to the formation of a mature immunological synapse between NK cell and target cell. This may trigger adhesion and secretion of lytic granules and IFN-gamma and activate cytoxicity of activated NK cells. May also promote NK cell-target cell modular exchange, and PVR transfer to the NK cell. This transfer is more important in some tumor cells expressing a lot of PVR, and may tri [...] (417 aa)
VSIG1V-set and immunoglobulin domain containing 1. (423 aa)
CLMPCXADR-like membrane protein; May be involved in the cell-cell adhesion. May play a role in adipocyte differentiation and development of obesity. Is required for normal small intestine development. (373 aa)
SIGLEC11Sialic acid-binding Ig-like lectin 11; Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Preferentially binds to alpha-2,8-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. In the immune response, may act as an inhibitory receptor upon ligand induced tyrosine phosphorylation by recruiting cytoplasmic phosphatase(s) via their SH2 domain(s) that block signal transduction through dephosphorylation of signaling molecules. (698 aa)
SIGLEC9Sialic acid-binding Ig-like lectin 9; Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Preferentially binds to alpha-2,3- or alpha-2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface; Belongs to the immunoglobulin superfamily. SIGLEC (sialic acid binding Ig-like lectin) family. (479 aa)
ROBO2Roundabout homolog 2; Receptor for SLIT2, and probably SLIT1, which are thought to act as molecular guidance cue in cellular migration, including axonal navigation at the ventral midline of the neural tube and projection of axons to different regions during neuronal development; Belongs to the immunoglobulin superfamily. ROBO family. (1394 aa)
NECTIN3Nectin-3; Plays a role in cell-cell adhesion through heterophilic trans-interactions with nectin-like proteins or nectins, such as trans- interaction with NECTIN2 at Sertoli-spermatid junctions. Trans- interaction with PVR induces activation of CDC42 and RAC small G proteins through common signaling molecules such as SRC and RAP1. Also involved in the formation of cell-cell junctions, including adherens junctions and synapses. Induces endocytosis-mediated down-regulation of PVR from the cell surface, resulting in reduction of cell movement and proliferation. Plays a role in the morphol [...] (549 aa)
TIGITT-cell immunoreceptor with Ig and ITIM domains; Binds with high affinity to the poliovirus receptor (PVR) which causes increased secretion of IL10 and decreased secretion of IL12B and suppresses T-cell activation by promoting the generation of mature immunoregulatory dendritic cells. (244 aa)
CD200OX-2 membrane glycoprotein; Costimulates T-cell proliferation. May regulate myeloid cell activity in a variety of tissues. (294 aa)
ROBO1Roundabout homolog 1; Receptor for SLIT1 and SLIT2 that mediates cellular responses to molecular guidance cues in cellular migration, including axonal navigation at the ventral midline of the neural tube and projection of axons to different regions during neuronal development. Interaction with the intracellular domain of FLRT3 mediates axon attraction towards cells expressing NTN1. In axon growth cones, the silencing of the attractive effect of NTN1 by SLIT2 may require the formation of a ROBO1-DCC complex (By similarity). Plays a role in the regulation of cell migration via its intera [...] (1651 aa)
LY6G6F-LY6G6DLymphocyte antigen 6 complex locus protein G6d. (382 aa)
IGSF9BProtein turtle homolog B; Transmembrane protein which is abundantly expressed in interneurons, where it may regulate inhibitory synapse development. May mediate homophilic cell adhesion. (1437 aa)
IGKV2D-28Immunoglobulin kappa variable 2-28; V region of the variable domain of immunoglobulin light chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whic [...] (102 aa)
IGKV2D-40Immunoglobulin kappa variable 2-40; V region of the variable domain of immunoglobulin light chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whic [...] (104 aa)
H3BML4_HUMANIg-like domain-containing protein. (177 aa)
OBSCNObscurin; Structural component of striated muscles which plays a role in myofibrillogenesis. Probably involved in the assembly of myosin into sarcomeric A bands in striated muscle. Has serine/threonine protein kinase activity and phosphorylates N-cadherin CDH2 and sodium/potassium-transporting ATPase subunit ATP1B1 (By similarity). Binds (via the PH domain) strongly to phosphatidylinositol 3,4-bisphosphate (PtdIns(3,4)P2) and phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2), and to a lesser extent to phosphatidylinositol 3-phosphate (PtdIns(3)P), phosphatidylinositol 4-phosphate ( [...] (8923 aa)
HAPLN3Hyaluronan and proteoglycan link protein 3; May function in hyaluronic acid binding. (422 aa)
CD226CD226 antigen; Involved in intercellular adhesion, lymphocyte signaling, cytotoxicity and lymphokine secretion mediated by cytotoxic T- lymphocyte (CTL) and NK cell. Cell surface receptor for NECTIN2. Upon ligand binding, stimulates T-cell proliferation and cytokine production, including that of IL2, IL5, IL10, IL13, and IFNG. Competes with PVRIG for NECTIN2-binding. (336 aa)
CD300LFCMRF35-like molecule 1; Acts as an inhibitory receptor for myeloid cells and mast cells. Positively regulates the phagocytosis of apoptotic cells (efferocytosis) via phosphatidylserine (PS) recognition; recognizes and binds PS as a ligand which is expressed on the surface of apoptotic cells. Plays an important role in the maintenance of immune homeostasis, by promoting macrophage-mediated efferocytosis and by inhibiting dendritic cell-mediated efferocytosis (By similarity). Negatively regulates Fc epsilon receptor-dependent mast cell activation and allergic responses via binding to cer [...] (305 aa)
CEACAM16Carcinoembryonic antigen-related cell adhesion molecule 16; Required for proper hearing, plays a role in maintaining the integrity of the tectorial membrane. (425 aa)
TTNTitin; Key component in the assembly and functioning of vertebrate striated muscles. By providing connections at the level of individual microfilaments, it contributes to the fine balance of forces between the two halves of the sarcomere. The size and extensibility of the cross-links are the main determinants of sarcomere extensibility properties of muscle. In non-muscle cells, seems to play a role in chromosome condensation and chromosome segregation during mitosis. Might link the lamina network to chromatin or nuclear actin, or both during interphase; Belongs to the protein kinase su [...] (32000 aa)
SIGLEC5-2Sialic acid-binding Ig-like lectin 5; Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Binds equally to alpha-2,3-linked and alpha-2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. (551 aa)
IGHV3-11Immunoglobulin heavy variable 3-11; V region of the variable domain of immunoglobulin heavy chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whic [...] (116 aa)
LOC102723407Immunoglobulin heavy variable 4-38-2; V region of the variable domain of immunoglobulin heavy chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, wh [...] (117 aa)
IGHV3-16Probable non-functional immunoglobulin heavy variable 3-16; Probable non-functional open reading frame (ORF) of V region of the variable domain of immunoglobulin heavy chains. Non-functional ORF generally cannot participate to the synthesis of a productive immunoglobulin chain due to altered V- (D)-J or switch recombination and/or splicing site (at mRNA level) and/or conserved amino acid change (protein level). Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bou [...] (96 aa)
SIRPATyrosine-protein phosphatase non-receptor type substrate 1; Immunoglobulin-like cell surface receptor for CD47. Acts as docking protein and induces translocation of PTPN6, PTPN11 and other binding partners from the cytosol to the plasma membrane. Supports adhesion of cerebellar neurons, neurite outgrowth and glial cell attachment. May play a key role in intracellular signaling during synaptogenesis and in synaptic function (By similarity). Involved in the negative regulation of receptor tyrosine kinase-coupled cellular responses induced by cell adhesion, growth factors or insulin. Medi [...] (508 aa)
IGKV1-33Immunoglobulin kappa variable 1-33; V region of the variable domain of immunoglobulin light chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whic [...] (108 aa)
IGHV1-3Immunoglobulin heavy variable 1-3; V region of the variable domain of immunoglobulin heavy chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, which [...] (95 aa)
IGHV3-15Immunoglobulin heavy variable 3-15; V region of the variable domain of immunoglobulin heavy chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whic [...] (112 aa)
IGHV3-72Immunoglobulin heavy variable 3-72; V region of the variable domain of immunoglobulin heavy chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whic [...] (101 aa)
IGHV3-43DImmunoglobulin heavy variable 3-43D; V region of the variable domain of immunoglobulin heavy chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whi [...] (98 aa)
IGKV2D-29Immunoglobulin kappa variable 2D-29; V region of the variable domain of immunoglobulin light chains that participates in the antigen recognition. Immunoglobulins, also known as antibodies, are membrane-bound or secreted glycoproteins produced by B lymphocytes. In the recognition phase of humoral immunity, the membrane-bound immunoglobulins serve as receptors which, upon binding of a specific antigen, trigger the clonal expansion and differentiation of B lymphocytes into immunoglobulins- secreting plasma cells. Secreted immunoglobulins mediate the effector phase of humoral immunity, whi [...] (102 aa)
CD48CD48 antigen; Ligand for CD2. Might facilitate interaction between activated lymphocytes. Probably involved in regulating T-cell activation. (252 aa)
TRDV1T cell receptor delta variable 1; V region of the variable domain of T cell receptor (TR) delta chain that participates in the antigen recognition. Gamma-delta TRs recognize a variety of self and foreign non-peptide antigens frequently expressed at the epithelial boundaries between the host and external environment, including endogenous lipids presented by MH-like protein CD1D and phosphoantigens presented by butyrophilin-like molecule BTN3A1. Upon antigen recognition induces rapid, innate-like immune responses involved in pathogen clearance and tissue repair. Binding of gamma-delta TR [...] (34 aa)
LOC102723996ICOS ligand; Ligand for the T-cell-specific cell surface receptor ICOS. Acts as a costimulatory signal for T-cell proliferation and cytokine secretion; induces also B-cell proliferation and differentiation into plasma cells. Could play an important role in mediating local tissue responses to inflammatory conditions, as well as in modulating the secondary immune response by co-stimulating memory T-cell function (By similarity). (302 aa)
HMCN2Hemicentin-2; Hemicentin 2. (5059 aa)
HAVCR1Hepatitis A virus cellular receptor 1; May play a role in T-helper cell development and the regulation of asthma and allergic diseases. Receptor for TIMD4 (By similarity). May play a role in kidney injury and repair. (Microbial infection) Acts as a receptor for Ebolavirus and Marburg virus by binding exposed phosphatidyl-serine at the surface of virion membrane; Belongs to the immunoglobulin superfamily. TIM family. (401 aa)
CD8B2T-cell surface glycoprotein CD8 beta-2 chain; Identifies cytotoxic/suppressor T-cells that interact with MHC class I bearing targets. CD8 is thought to play a role in the process of T-cell mediated killing (By similarity). (210 aa)
CTLA4Cytotoxic T-lymphocyte protein 4; Inhibitory receptor acting as a major negative regulator of T-cell responses. The affinity of CTLA4 for its natural B7 family ligands, CD80 and CD86, is considerably stronger than the affinity of their cognate stimulatory coreceptor CD28. (223 aa)
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, human, man
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