Abstract
Exoenzyme S, which had been thought to be unselective, catalyzes the ADP-ribosylation of only a subset of cellular proteins. The intermediate filament protein vimentin is one of the more abundant substrates. Disassembled vimentin, and proteolytic fragments of vimentin that cannot form filaments, is more readily ADP-ribosylated than is filamentous vimentin.
MeSH Terms
ADP Ribose Transferases
Adenosine Diphosphate Ribose/metabolism
Bacterial Toxins
Blotting, Western
Cytoskeleton/metabolism
Electrophoresis, Gel, Two-Dimensional
Intermediate Filaments/metabolism
Poly(ADP-ribose) Polymerases/metabolism
Pseudomonas aeruginosa/enzymology
Substrate Specificity
Vimentin/metabolism
Chemicals
Bacterial Toxins
Vimentin
Adenosine Diphosphate Ribose
ADP Ribose Transferases
Poly(ADP-ribose) Polymerases
exoenzyme S
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Coburn J
Department of Molecular Biology and Microbiology, Tufts University School of Medicine, Boston, Massachusetts.
Dillon S T
Iglewski B H
Gill D M
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