4.8 Article

Lys34 of translation elongation factor EF-P is hydroxylated by YfcM

Journal

NATURE CHEMICAL BIOLOGY
Volume 8, Issue 8, Pages 695-697

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/NCHEMBIO.1001

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Funding

  1. Deutsche Forschungsgemeinschaft [WI3285/1-1]
  2. Human Frontiers of Science Foundation [RGY88/2008]
  3. European Molecular Biology Organization young investigator program
  4. Estonian Science Foundation [9289]
  5. European Social Fund program Mobilitas [MJD144, MJD99]
  6. European Regional Development Fund through the Center of Excellence in Chemical Biology (Institute of Technology, University of Tartu)

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Lys34 of the conserved translation elongation factor P (EF-P) is post-translationally lysinylated by YjeK and YjeA-a modification that is critical for bacterial virulence. Here we show that the currently accepted Escherichia coli EF-P modification pathway is incomplete and lacks a final hydroxylation step mediated by YfcM, an enzyme distinct from deoxyhypusine hydroxylase that catalyzes the final maturation step of eukaryotic initiation factor 5A, the eukaryotic EF-P homolog.

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