NEW YORK (GenomeWeb) -- Scientists at Austria's Research Institute of Molecular Pathology have identified arginine phosphorylation as a tag for protein degradation in bacteria.

The finding, described in a paper published this week in Nature, sheds new light on the regulation of proteasomal degradation in bacteria, presenting arginine phosphorylation as a general mark for degradation by bacterial Clp proteases, much like the ubiquitin-proteasome system in eukaryotes.

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