Vertommen D, Rider M, Ni Y, Waelkens E, Merlevede W, Vandenheede JR, Van Lint J. 2000. Regulation of protein kinase D by multisite phosphorylation. Identification of phosphorylation sites by mass spectrometry and characterization by site-directed mutagenesis. J Biol Chem 275:19567-19576 (Abstract) [site(s): S738,S742]