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Insulin promotes glucose uptake into skeletal muscle through recruitment of glucose transporter 4 (GLUT4) to the plasma membrane. Rab GTPases are molecular switches mobilizing intracellular vesicles, and Rab13 is necessary for insulin-regulated GLUT4-vesicle exocytic translocation in muscle cells. We show that Rab13 engages the scaffold protein MICAL-L2 in(More)
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