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  2. Receptor tyrosine kinase - Wikipedia

    en.wikipedia.org/wiki/Receptor_tyrosine_kinase

    The receptors are generally activated by dimerization and substrate presentation. Receptor tyrosine kinases are part of the larger family of protein tyrosine kinases, encompassing the receptor tyrosine kinase proteins which contain a transmembrane domain, as well as the non-receptor tyrosine kinases which do not possess transmembrane domains. [4]

  3. Trk receptor - Wikipedia

    en.wikipedia.org/wiki/Trk_receptor

    Trk receptors dimerize in response to ligand, as do other tyrosine kinase receptors. [3] These dimers phosphorylate each other and enhance catalytic activity of the kinase. [ 3 ] Trk receptors affect neuronal growth and differentiation through the activation of different signaling cascades.

  4. ERBB3 - Wikipedia

    en.wikipedia.org/wiki/ERBB3

    Unlike the other ErbB receptor tyrosine kinase family members which are activated through autophosphorylation upon ligand binding, ErbB3 was found to be kinase impaired, having only 1/1000 the autophosphorylation activity of EGFR and no ability to phosphorylate other proteins. [12] Therefore, ErbB3 must act as an allosteric activator.

  5. MAPK/ERK pathway - Wikipedia

    en.wikipedia.org/wiki/MAPK/ERK_pathway

    Receptor-linked tyrosine kinases, such as the epidermal growth factor receptor (EGFR), are activated by extracellular ligands, such as the epidermal growth factor (EGF). Binding of EGF to the EGFR activates the tyrosine kinase activity of the cytoplasmic domain of the receptor. The EGFR becomes phosphorylated on tyrosine residues.

  6. Tyrosine kinase - Wikipedia

    en.wikipedia.org/wiki/Tyrosine_kinase

    A number of receptor tyrosine kinases, though certainly not all, do not perform protein-kinase activity until they are occupied, or activated, by one of these ligands. [2] Although more research indicates that receptors remain active within endosomes, it was once thought that endocytosis caused by ligands was the event responsible for the ...

  7. Autophosphorylation - Wikipedia

    en.wikipedia.org/wiki/Autophosphorylation

    Dimerization of RTKs leads to autophosphorylation of tyrosine in the catalytic core of the dimer, and finally stimulation of the tyrosine kinase activity and cell signaling. [21] It is thus an example of a trans-autophosphorylation reaction, where one receptor subunit of the dimer phosphorylates the other subunit. [22]

  8. JAK-STAT signaling pathway - Wikipedia

    en.wikipedia.org/wiki/JAK-STAT_signaling_pathway

    The JAKs then phosphorylate each other on tyrosine residues located in regions called activation loops, through a process called transphosphorylation, which increases the activity of their kinase domains. [6] The activated JAKs then phosphorylate tyrosine residues on the receptor, creating binding sites for proteins possessing SH2 domains. [6]

  9. Akt/PKB signaling pathway - Wikipedia

    en.wikipedia.org/wiki/Akt/PKB_signaling_pathway

    Protein tyrosine kinase 6 (PTK6) Tyr215, Tyr315 and Tyr326: Activates Akt in response to epidermal growth factor (EGF) [19] TANK-binding kinase 1 (TBK1) Thr195, Ser378 and Ser473: In response to Toll-like receptor activation in macrophages. [20] DNA-dependent protein kinase (DNA-PK) Ser473: Activated by double-strand DNA breaks formed by ...

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