Staphylococcal PknB as the first prokaryotic representative of the proline-directed kinases.
Miller M, Donat S, Rakette S, Stehle T, Kouwen TR, Diks SH, Dreisbach A, Reilman E, Gronau K, Becher D, et al. PLoS One. 2010 Feb 4; 5(2):e9057. Epub 2010 Feb 4.