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C5 | complement component 5; Activation of C5 by a C5 convertase initiates the spontaneous assembly of the late complement components, C5-C9, into the membrane attack complex. C5b has a transient binding site for C6. The C5b-C6 complex is the foundation upon which the lytic complex is assembled (1676 aa) | |||
NMUR2 | neuromedin U receptor 2; Receptor for the neuromedin-U and neuromedin-S neuropeptides (By similarity) (415 aa) | |||
HRH4 | histamine receptor H4; The H4 subclass of histamine receptors could mediate the histamine signals in peripheral tissues. Displays a significant level of constitutive activity (spontaneous activity in the absence of agonist) (390 aa) | |||
CCL21 | chemokine (C-C motif) ligand 21; Inhibits hemopoiesis and stimulates chemotaxis. Chemotactic in vitro for thymocytes and activated T-cells, but not for B-cells, macrophages, or neutrophils. Shows preferential activity towards naive T-cells. May play a role in mediating homing of lymphocytes to secondary lymphoid organs (134 aa) | |||
CXCR7 | chemokine (C-X-C motif) receptor 7; Receptor for chemokines CXCL12/SDF1 and CXCL11. Does not elicit classical chemokine receptor signaling; chemokine binding does not activate G-protein-mediated signal transduction but instead induces beta-arrestin recruitment, leading to ligand internalization and activation of MAPK signaling pathway. Acts as a scavenger for CXCL12/SDF1 and, to a lesser extent, for CXCL11. Required for regulation of CXCR4 protein levels in migrating interneurons, thereby adapting their chemokine responsiveness. In glioma cells, transduces signals via MEK/ERK pathway, [...] (362 aa) | |||
ADRA2A | adrenoceptor alpha 2A; Alpha-2 adrenergic receptors mediate the catecholamine- induced inhibition of adenylate cyclase through the action of G proteins. The rank order of potency for agonists of this receptor is oxymetazoline > clonidine > epinephrine > norepinephrine > phenylephrine > dopamine > p-synephrine > p-tyramine > serotonin = p-octopamine. For antagonists, the rank order is yohimbine > phentolamine = mianserine > chlorpromazine = spiperone = prazosin > propanolol > alprenolol = pindolol (465 aa) | |||
MCHR2 | melanin-concentrating hormone receptor 2; Receptor for melanin-concentrating hormone, coupled to G proteins that activate phosphoinositide hydrolysis (340 aa) | |||
CCR2 | chemokine (C-C motif) receptor 2; Receptor for the MCP-1, MCP-3 and MCP-4 chemokines. Transduces a signal by increasing the intracellular calcium ions level. Alternative coreceptor with CD4 for HIV-1 infection (374 aa) | |||
CCR5 | chemokine (C-C motif) receptor 5 (gene/pseudogene) (352 aa) | |||
CCL5 | chemokine (C-C motif) ligand 5; Chemoattractant for blood monocytes, memory T-helper cells and eosinophils. Causes the release of histamine from basophils and activates eosinophils. Binds to CCR1, CCR3, CCR4 and CCR5. One of the major HIV-suppressive factors produced by CD8+ T- cells. Recombinant RANTES protein induces a dose-dependent inhibition of different strains of HIV-1, HIV-2, and simian immunodeficiency virus (SIV). The processed form RANTES(3-68) acts as a natural chemotaxis inhibitor and is a more potent inhibitor of HIV-1-infection. The second processed form RANTES(4-68) exh [...] (91 aa) | |||
CCL16 | chemokine (C-C motif) ligand 16; Shows chemotactic activity for lymphocytes and monocytes but not neutrophils. Also shows potent myelosuppressive activity, suppresses proliferation of myeloid progenitor cells. Recombinant SCYA16 shows chemotactic activity for monocytes and THP-1 monocytes, but not for resting lymphocytes and neutrophils. Induces a calcium flux in THP-1 cells that were desensitized by prior expression to RANTES (120 aa) | |||
CXCL16 | chemokine (C-X-C motif) ligand 16; Acts as a scavenger receptor on macrophages, which specifically binds to OxLDL (oxidized low density lipoprotein), suggesting that it may be involved in pathophysiology such as atherogenesis (By similarity). Induces a strong chemotactic response. Induces calcium mobilization. Binds to CXCR6/Bonzo (273 aa) | |||
SSTR5 | somatostatin receptor 5; Receptor for somatostatin 28 and to a lesser extent for somatostatin-14. The activity of this receptor is mediated by G proteins which inhibit adenylyl cyclase (364 aa) | |||
CXCR1 | chemokine (C-X-C motif) receptor 1 (350 aa) | |||
CXCL3 | chemokine (C-X-C motif) ligand 3; Ligand for CXCR2 (By similarity). Has chemotactic activity for neutrophils. May play a role in inflammation and exert its effects on endothelial cells in an autocrine fashion. In vitro, the processed form GRO-gamma(5-73) shows a fivefold higher chemotactic activity for neutrophilic granulocytes (107 aa) | |||
CXCL5 | chemokine (C-X-C motif) ligand 5; Involved in neutrophil activation. In vitro, ENA-78(8- 78) and ENA-78(9-78) show a threefold higher chemotactic activity for neutrophil granulocytes (114 aa) | |||
PPBP | pro-platelet basic protein (chemokine (C-X-C motif) ligand 7); LA-PF4 stimulates DNA synthesis, mitosis, glycolysis, intracellular cAMP accumulation, prostaglandin E2 secretion, and synthesis of hyaluronic acid and sulfated glycosaminoglycan. It also stimulates the formation and secretion of plasminogen activator by human synovial cells. NAP-2 is a ligand for CXCR1 and CXCR2, and NAP-2, NAP-2(73), NAP-2(74), NAP-2(1-66), and most potent NAP-2(1-63) are chemoattractants and activators for neutrophils. TC-1 and TC-2 are antibacterial proteins, in vitro released from activated platelet al [...] (128 aa) | |||
ADCY1 | adenylate cyclase 1 (brain); This is a calmodulin-sensitive adenylyl cyclase. May be involved in regulatory processes in the central nervous system. It may play a role in memory acquisition and learning (1119 aa) | |||
OXGR1 | oxoglutarate (alpha-ketoglutarate) receptor 1; Receptor for alpha-ketoglutarate. Seems to act exclusively through a G(q)-mediated pathway (By similarity) (337 aa) | |||
C3AR1 | complement component 3a receptor 1; Receptor for the chemotactic and inflammatory peptide anaphylatoxin C3a. This receptor stimulates chemotaxis, granule enzyme release and superoxide anion production (482 aa) | |||
MTNR1A | melatonin receptor 1A; High affinity receptor for melatonin. Likely to mediates the reproductive and circadian actions of melatonin. The activity of this receptor is mediated by pertussis toxin sensitive G proteins that inhibit adenylate cyclase activity (350 aa) | |||
CXCR6 | chemokine (C-X-C motif) receptor 6; Receptor for the C-X-C chemokine CXCL16. Used as a coreceptor by SIVs and by strains of HIV-2 and m-tropic HIV-1 (342 aa) | |||
APLN | apelin; Endogenous ligand for APJ, an alternative coreceptor with CD4 for HIV-1 infection. Inhibits HIV-1 entry in cells coexpressing CD4 and APJ. Apelin-36 has a greater inhibitory activity on HIV infection than other synthetic apelin derivatives. The oral intake in the colostrum and the milk could have a role in the modulation of the immune responses in neonates. May also have a role in the central control of body fluid homeostasis by influencing AVP release and drinking behavior (77 aa) | |||
CXCL11 | chemokine (C-X-C motif) ligand 11; Chemotactic for interleukin-activated T-cells but not unstimulated T-cells, neutrophils or monocytes. Induces calcium release in activated T-cells. Binds to CXCR3. May play an important role in CNS diseases which involve T-cell recruitment. May play a role in skin immune responses (94 aa) | |||
P2RY12 | purinergic receptor P2Y, G-protein coupled, 12; Receptor for ADP and ATP coupled to G-proteins that inhibit the adenylyl cyclase second messenger system. Not activated by UDP and UTP. Involved in platelet aggregation (342 aa) | |||
ADORA1 | adenosine A1 receptor; Receptor for adenosine. The activity of this receptor is mediated by G proteins which inhibit adenylyl cyclase (326 aa) |