Receptor

spinqualitylabelsall models Nicotinic Acetylcholine Receptor, PDB code 2bg9 Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Under development!!! Transmembrane (cell surface) receptors See also Membrane proteins. Ion channel-linked (ionotropic) receptors These receptors are typically the targets of fast neurotransmitters such as acetylcholine (nicotinic) and GABA; activation of these receptors results in changes in ion movement across a membrane. Ionotropic receptors G protein-linked (metabotropic) receptors This is the largest family of receptors and includes the receptors for several hormones and slow transmitters(dopamine, metabotropic glutamate). They are composed of seven transmembrane alpha helices. The loops connecting the alpha helices form extracellular and intracellular domains. The binding-site for larger peptide ligands is usually located in the extracellular domain whereas the binding site for smaller non-peptide ligands is often located between the seven alpha helices and one extracellular loop. These receptors are coupled to different intracellular effector systems via G proteins G protein-coupled receptors Immune receptors Leukocyte immunoglobulin-like receptors Leukocyte immunoglobulin-like receptor Cytokine receptors TNF receptor superfamily Tumor necrosis factor receptor Type I cytokine receptors Erythropoietin receptor Prolactin receptor Type II cytokine receptors Interferon receptors Interferon receptor Structural linkage between ligand discrimination and receptor activation by type I interferons Multiple sclerosis and Interferon Receptors Interleukin receptors Interleukin receptor Interleukin-20 receptor: Flexible regions govern promiscuous binding of IL-24 to receptors IL-20R1 and IL-22R1 T-cell receptors T-cell receptor SP3.4-TCR-HLA-DQ8-α-1-gliadin complex

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Alexander Berchansky