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Direct monitoring of the conformational equilibria of the activation loop in the mitogen-activated protein kinase p38α.

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Conformational transitions in protein kinases are crucial for the biological function of these enzymes. Here, we characterize and assess conformational equilibria of the activation loop and the effect of small… Click to show full abstract

Conformational transitions in protein kinases are crucial for the biological function of these enzymes. Here, we characterize and assess conformational equilibria of the activation loop and the effect of small molecule inhibitors in the MAP kinase p38α. Our work experimentally revealed the existence of a two-state equilibrium for p38α while the addition of inhibitors shifts the equilibrium between these two states.

Keywords: equilibria activation; kinase p38; conformational equilibria; activation loop

Journal Title: Chemical communications
Year Published: 2018

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