AMP‐activated protein kinase: a cellular energy sensor that comes …
Introduction. The AMP‐activated protein kinase (AMPK) is a sensor of cellular energy status expressed in essentially all eukaryotic cells, including protists, fungi, plants and animals 1, 2, 3. AMPK orthologues appear to exist universally as heterotrimeric complexes comprised of catalytic α subunits and regulatory β and γ subunits.