Cover article in the Journal of the American Chemical Society

Algirdas Velyvis and Lewis E. Kay, "Measurement of Active Site Ionization Equilibria in the 670 kDa Proteasome Core Particle Using Methyl-TROSY NMR," J. Am. Chem. Soc. 135 (2013) 9259–9262. (cover article) http://dx.doi.org/10.1021/ja403091c