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APLN APLN NPY1R NPY1R P2RY13 P2RY13 PPBP PPBP P2RY12 P2RY12 ADRA2A ADRA2A XCL1 XCL1 HRH4 HRH4 CXCR3 CXCR3 NMS NMS C5 C5 ADORA3 ADORA3 P2RY6 P2RY6 LPAR5 LPAR5 NPFFR2 NPFFR2 CXCL2 CXCL2 GNB1 GNB1 GNAI3 GNAI3 C5AR1 C5AR1 PROK2 PROK2 CYSLTR2 CYSLTR2 TACR2 TACR2 GNAQ GNAQ ADCY4 ADCY4 GCGR GCGR
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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protein of unknown 3D structure
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query proteins and first shell of interactors
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white nodes:
second shell of interactors
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from curated databases
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experimentally determined
Predicted Interactions
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C5complement 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)
HRH4histamine 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)
ADRA2Aadrenoceptor 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)
CYSLTR2cysteinyl leukotriene receptor 2; Receptor for cysteinyl leukotrienes. The response is mediated via a G-protein that activates a phosphatidylinositol- calcium second messenger system. Stimulation by BAY u9773, a partial agonist, induces specific contractions of pulmonary veins and might also have an indirect role in the relaxation of the pulmonary vascular endothelium. The rank order of affinities for the leukotrienes is LTC4 = LTD4 >> LTE4 (346 aa)
GNAQguanine nucleotide binding protein (G protein), q polypeptide; Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems. Regulates B-cell selection and survival and is required to prevent B-cell-dependent autoimmunity. Regulates chemotaxis of BM-derived neutrophils and dendritic cells (in vitro) (By similarity) (359 aa)
PROK2prokineticin 2; May function as an output molecule from the suprachiasmatic nucleus (SCN) that transmits behavioral circadian rhythm. May also function locally within the SCN to synchronize output. Potently contracts gastrointestinal (GI) smooth muscle (129 aa)
PPBPpro-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)
APLNapelin; 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)
P2RY12purinergic 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)
NPFFR2neuropeptide FF receptor 2; Receptor for NPAF (A-18-F-amide) and NPFF (F-8-F-amide) neuropeptides, also known as morphine-modulating peptides. Can also be activated by a variety of naturally occurring or synthetic FMRF-amide like ligands. This receptor mediates its action by association with G proteins that activate a phosphatidylinositol- calcium second messenger system (522 aa)
P2RY6pyrimidinergic receptor P2Y, G-protein coupled, 6; Receptor for extracellular UDP > UTP > ATP. The activity of this receptor is mediated by G proteins which activate a phosphatidylinositol-calcium second messenger system (328 aa)
ADCY4adenylate cyclase 4; This is a membrane-bound, calmodulin-insensitive adenylyl cyclase (By similarity) (1077 aa)
P2RY13purinergic receptor P2Y, G-protein coupled, 13; Receptor for ADP. Coupled to G(i)-proteins. May play a role in hematopoiesis and the immune system (354 aa)
LPAR5lysophosphatidic acid receptor 5; Receptor for lysophosphatidic acid (LPA), a mediator of diverse cellular activities (372 aa)
C5AR1complement component 5a receptor 1; Receptor for the chemotactic and inflammatory peptide anaphylatoxin C5a. This receptor stimulates chemotaxis, granule enzyme release and superoxide anion production (350 aa)
NPY1Rneuropeptide Y receptor Y1; Receptor for neuropeptide Y and peptide YY. The rank order of affinity of this receptor for pancreatic polypeptides is NPY > [Pro-34] PYY, PYY and [Leu-31, Pro-34] NPY > NPY (2-36) > [Ile-31, Gln-34] PP and PYY (3-36) > PP > NPY free acid (384 aa)
XCL1chemokine (C motif) ligand 1; Chemotactic activity for lymphocytes but not for monocytes or neutrophils (114 aa)
ADORA3adenosine A3 receptor; Receptor for adenosine. The activity of this receptor is mediated by G proteins which inhibits adenylyl cyclase. Possible role in reproduction (By similarity) (347 aa)
GNAI3guanine nucleotide binding protein (G protein), alpha inhibiting activity polypeptide 3; Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems. G(k) is the stimulatory G protein of receptor- regulated K(+) channels. The active GTP-bound form prevents the association of RGS14 with centrosomes and is required for the translocation of RGS14 from the cytoplasm to the plasma membrane. May play a role in cell division (354 aa)
TACR2tachykinin receptor 2; This is a receptor for the tachykinin neuropeptide substance K (neurokinin A). It is associated with G proteins that activate a phosphatidylinositol-calcium second messenger system. The rank order of affinity of this receptor to tachykinins is- substance K > neuromedin-K > substance P (398 aa)
CXCR3chemokine (C-X-C motif) receptor 3; Receptor for CXCL9, CXCL10 and CXCL11 and mediates the proliferation of human mesangial cells (HMC) (415 aa)
NMSneuromedin S; Implicated in the regulation of circadian rhythms through autocrine and/or paracrine actions (By similarity) (153 aa)
GNB1guanine nucleotide binding protein (G protein), beta polypeptide 1; Guanine nucleotide-binding proteins (G proteins) are involved as a modulator or transducer in various transmembrane signaling systems. The beta and gamma chains are required for the GTPase activity, for replacement of GDP by GTP, and for G protein- effector interaction (340 aa)
GCGRglucagon receptor; This is a receptor for glucagon which plays a central role in regulating the level of blood glucose by controlling the rate of hepatic glucose production and insulin secretion. The activity of this receptor is mediated by G proteins which activate adenylyl cyclase and also a phosphatidylinositol-calcium second messenger system (477 aa)
CXCL2chemokine (C-X-C motif) ligand 2; Produced by activated monocytes and neutrophils and expressed at sites of inflammation. Hematoregulatory chemokine, which, in vitro, suppresses hematopoietic progenitor cell proliferation. GRO-beta(5-73) shows a highly enhanced hematopoietic activity (107 aa)
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo, Homo sapiens, human, man
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