tyrosine kinase receptor activation mechanism

tyrosine kinase receptor activation dimerization phosphorylation cellular response cell membrane receptors ligands growth factors cytokines binding insulin vector design proteins glucose diabetes mellitus blood sugar glut4 egf epidermal factor fgfr fibroblast vegfr vascular endothelial gtp gdp uptake phosphatases pancreas pathway hormone type transporter human homeostasis biology protein active relay action mechanism science