Affiliation: | From ‡Mass Spectrometry of Biomacromolecules and ;**Molecular Microbial Physiology, Swammerdam Institute for Life Sciences, Nieuwe Achtergracht 166, 1018WV Amsterdam, The Netherlands, ;§Proteomics Group, Department of Medical Biochemistry, Academic Medical Centre, Meibergdreef 15, 1105AZ Amsterdam, The Netherlands, and ;‖Biomolecular Synthesis, Van''t Hoff Institute for Molecular Sciences, Nieuwe Achtergracht 129, 1018WS Amsterdam, The Netherlands |