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B2M B2M CD8B CD8B HLA-DRB5 HLA-DRB5 HLA-A HLA-A CD3G CD3G CD3D CD3D HLA-DRB1 HLA-DRB1 SH3BP2 SH3BP2 GRAP2 GRAP2 ZAP70 ZAP70 LCK LCK GRAP GRAP FYB FYB LAT LAT UBC UBC SYK SYK SHB SHB PLCG1 PLCG1 SHC1 SHC1 GRB2 GRB2 PAK1 PAK1 LYN LYN PIK3R1 PIK3R1 FCER1G FCER1G MS4A2 MS4A2 FCER1A FCER1A
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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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second shell of interactors
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Predicted Interactions
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PLCG1phospholipase C, gamma 1; Mediates the production of the second messenger molecules diacylglycerol (DAG) and inositol 1,4,5-trisphosphate (IP3). Plays an important role in the regulation of intracellular signaling cascades. Becomes activated in response to ligand- mediated activation of receptor-type tyrosine kinases, such as PDGFRA, PDGFRB, FGFR1, FGFR2, FGFR3 and FGFR4. Plays a role in actin reorganization and cell migration (1291 aa)
ZAP70zeta-chain (TCR) associated protein kinase 70kDa; Tyrosine kinase that plays an essential role in regulation of the adaptive immune response. Regulates motility, adhesion and cytokine expression of mature T-cells, as well as thymocyte development. Contributes also to the development and activation of primary B-lymphocytes. When antigen presenting cells (APC) activate T-cell receptor (TCR), a serie of phosphorylations lead to the recruitment of ZAP70 to the doubly phosphorylated TCR component CD247/CD3Z through ITAM motif at the plasma membrane. This recruitment serves to localization t [...] (619 aa)
PIK3R1phosphoinositide-3-kinase, regulatory subunit 1 (alpha) (724 aa)
PAK1p21 protein (Cdc42/Rac)-activated kinase 1; Protein kinase involved in intracellular signaling pathways downstream of integrins and receptor-type kinases that plays an important role in cytoskeleton dynamics, in cell adhesion, migration, proliferation, apoptosis, mitosis, and in vesicle-mediated transport processes. Can directly phosphorylate BAD and protects cells against apoptosis. Activated by interaction with CDC42 and RAC1. Functions as GTPase effector that links the Rho-related GTPases CDC42 and RAC1 to the JNK MAP kinase pathway. Phosphorylates and activates MAP2K1, and thereby [...] (553 aa)
MS4A2membrane-spanning 4-domains, subfamily A, member 2; High affinity receptor that binds to the Fc region of immunoglobulins epsilon. Aggregation of FCER1 by multivalent antigens is required for the full mast cell response, including the release of preformed mediators (such as histamine) by degranulation and de novo production of lipid mediators and cytokines. Also mediates the secretion of important lymphokines. Binding of allergen to receptor-bound IgE leads to cell activation and the release of mediators responsible for the manifestations of allergy (244 aa)
GRAPGRB2-related adaptor protein; Couples signals from receptor and cytoplasmic tyrosine kinases to the Ras signaling pathway (217 aa)
FCER1GFc fragment of IgE, high affinity I, receptor for; gamma polypeptide; Associates with a variety of FcR alpha chains to form a functional signaling complex. Regulates several aspects of the immune response. The gamma subunit has a critical role in allowing the IgE Fc receptor to reach the cell surface. Also involved in collagen-mediated platelet activation and in neutrophil activation mediated by integrin (86 aa)
CD3DCD3d molecule, delta (CD3-TCR complex); The CD3 complex mediates signal transduction (171 aa)
CD8BCD8b molecule; 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) (243 aa)
LCKlymphocyte-specific protein tyrosine kinase (509 aa)
GRB2growth factor receptor-bound protein 2; Adapter protein that provides a critical link between cell surface growth factor receptors and the Ras signaling pathway (217 aa)
GRAP2GRB2-related adaptor protein 2; Interacts with SLP-76 to regulate NF-AT activation. Binds to tyrosine-phosphorylated shc (330 aa)
UBCubiquitin C (685 aa)
HLA-DRB1major histocompatibility complex, class II, DR beta 1 (266 aa)
FCER1AFc fragment of IgE, high affinity I, receptor for; alpha polypeptide; Binds to the Fc region of immunoglobulins epsilon. High affinity receptor. Responsible for initiating the allergic response. Binding of allergen to receptor-bound IgE leads to cell activation and the release of mediators (such as histamine) responsible for the manifestations of allergy. The same receptor also induces the secretion of important lymphokines (257 aa)
HLA-DRB5major histocompatibility complex, class II, DR beta 5 (266 aa)
SYKspleen tyrosine kinase; Non-receptor tyrosine kinase which mediates signal transduction downstream of a variety of transmembrane receptors including classical immunoreceptors like the B-cell receptor (BCR). Regulates several biological processes including innate and adaptive immunity, cell adhesion, osteoclast maturation, platelet activation and vascular development. Assembles into signaling complexes with activated receptors at the plasma membrane via interaction between its SH2 domains and the receptor tyrosine- phosphorylated ITAM domains. The association with the receptor can also [...] (635 aa)
HLA-Amajor histocompatibility complex, class I, A; Involved in the presentation of foreign antigens to the immune system (By similarity) (365 aa)
SHBSrc homology 2 domain containing adaptor protein B; Adapter protein which regulates several signal transduction cascades by linking activated receptors to downstream signaling components. May play a role in angiogenesis by regulating FGFR1, VEGFR2 and PDGFR signaling. May also play a role in T-cell antigen receptor/TCR signaling, interleukin-2 signaling, apoptosis and neuronal cells differentiation by mediating basic- FGF and NGF-induced signaling cascades. May also regulate IRS1 and IRS2 signaling in insulin-producing cells (509 aa)
LATlinker for activation of T cells; Required for TCR (T-cell antigen receptor)- and pre-TCR- mediated signaling, both in mature T-cells and during their development. Involved in FCGR3 (low affinity immunoglobulin gamma Fc region receptor III)-mediated signaling in natural killer cells and FCER1 (high affinity immunoglobulin epsilon receptor)-mediated signaling in mast cells. Couples activation of these receptors and their associated kinases with distal intracellular events such as mobilization of intracellular calcium stores, PKC activation, MAPK activation or cytoskeletal reorganization [...] (269 aa)
SHC1SHC (Src homology 2 domain containing) transforming protein 1 (584 aa)
SH3BP2SH3-domain binding protein 2; Binds differentially to the SH3 domains of certain proteins of signal transduction pathways. Binds to phosphatidylinositols; linking the hemopoietic tyrosine kinase fes to the cytoplasmic membrane in a phosphorylation dependent mechanism (618 aa)
FYBFYN binding protein; Acts as an adapter protein of the FYN and LCP2 signaling cascades in T-cells. Modulates the expression of interleukin-2 (IL-2). Involved in platelet activation. Prevents the degradation of SKAP1 and SKAP2. May play a role in linking T-cell signaling to remodeling of the actin cytoskeleton (829 aa)
LYNv-yes-1 Yamaguchi sarcoma viral related oncogene homolog; Non-receptor tyrosine-protein kinase that transmits signals from cell surface receptors and plays an important role in the regulation of innate and adaptive immune responses, hematopoiesis, responses to growth factors and cytokines, integrin signaling, but also responses to DNA damage and genotoxic agents. Functions primarily as negative regulator, but can also function as activator, depending on the context. Required for the initiation of the B-cell response, but also for its down- regulation and termination. Plays an important [...] (512 aa)
CD3GCD3g molecule, gamma (CD3-TCR complex); The CD3 complex mediates signal transduction (182 aa)
B2Mbeta-2-microglobulin; Component of the class I major histocompatibility complex (MHC). Involved in the presentation of peptide antigens to the immune system (By similarity) (119 aa)
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo, Homo sapiens, human, man
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