Texas Signaling pathway: MAPK/ERK pathway Ligand Epidermal growth factor Receptor Epidermal growth factor receptor Other GRB2 SOS RAS RAF MEK MAPK MNK RSK Index of signal transduction Description Intercellular neuropeptides growth factors cytokines hormones Cell surface receptors ligand-gated enzyme-linked G protein-coupled immunoglobulin superfamily integrins neuropeptide growth factor cytokine Intracellular adaptor proteins GTP-binding MAP kinase Calcium signaling Lipid signaling Pathways hedgehog Wnt TGF beta MAPK ERK notch JAK-STAT apoptosis hippo TLR