Reversible ADP-ribosylation as a mechanism of enzyme regulation in procaryotes
- 1 January 1994
- journal article
- Published by Springer Science and Business Media LLC in Molecular and Cellular Biochemistry
- Vol. 138 (1-2), 123-129
- https://doi.org/10.1007/bf00928453
Abstract
Several cases of ADP-ribosylation of endogenous proteins in procaryotes have been discovered and investigated. The most thoroughly studied example is the reversible ADP-ribosylation of the dinitrogenase reductase from the photosynthetic bacteriumRhodospirillum rubrum and related bacteria. A dinitrogenase reductase ADP-ribosyltransferase (DRAT) and a dinitrogenase reductase ADP-ribose glycohydrolase (DRAG) fromR. rubrum have been isolated and characterized. The genes for these proteins have been isolated and sequences and show little similarity to the ADP-ribosylating toxins. Other targets for endogenous ADP-ribosylation by procaryotes include glutamine synthetase inR. rubrum andRhizobium meliloti and undefined proteins inStreptomyces griseus andPseudomonas maltophila.Keywords
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