Mass spectrometric analysis of free methionine oxidation levels in E. coli
Maria Ahmed, Philip M. Bellomio, Bruno Manta, Kyle Swovick, Kevin A. Welle, Jennifer R. Hryhorenko, Sina Ghaemmaghami
This study introduces fMObB, a mass spectrometry method to measure free methionine oxidation in E. coli, revealing higher oxidation under stress and the role of methionine sulfoxide reductases.
Journal of the American Society for Mass Spectrometry · Oct 5, 2026Peer-reviewedBiochemistry