The Research Training Group "ProMoAge: Protein Modification: A Key Mechanism for Ageing" (RTG 2155) funded by the Deutsche Forschungsgemeinschaft (DFG) welcomes applications for 14 PhD positions (salary according to public service salary scale TV-L E13, 65 %) for a three-year structured program. Start of the program will be July 1, 2016. The RTG is based at the Martin-Luther-University Halle-Wittenberg and the Friedrich Schiller University Jena in cooperation with the Leibniz Institute for Age Research – Fritz Lipmann Institute, Jena, Germany.