Activation of a Ras protein by a GEF protein - Stock video
Cell Membrane, Molecule, Oncogene, Germany, Cancer - Illness
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Inactive Ras protein (left) is activated by a GEF protein opening the binding site allowing GDP to exit. Afterwards GTP can bind to RAS turning it into the active form. Activated Ras proteins are involved in growth regulation processes. Mutated Ras proteins can induce cancer.