Abstract
The serine/threonine kinase Akt1 is part of the PI3 K/Akt pathway and plays a key role in the regulation of various cellular processes such as cell growth, proliferation, and apoptosis. Here, we analyzed the elasticity between the two domains of the kinase Akt1, connected by a flexible linker, recording a wide variety of distance restraints by electron paramagnetic resonance (EPR) spectroscopy. We studied full length Akt1 and the influence of the cancer-associated mutation E17K. The conformational landscape in the presence of different modulators, like different types of inhibitors and membranes was presented, revealing a tuned flexibility between the two domains, dependent on the bound molecule.
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