- Novel type of receptor-like protein kinase from a higher plant (Catharanthus roseus). cDNA, gene, intramolecular autophosphorylation, and identification of a threonine important for auto- and substrate phosphorylation. Schulze-Muth, P., Irmler, S., Schröder, G., Schröder, J. J. Biol. Chem. (1996)