The Unique Posttranslational Modification Leading to Deoxyhypusine or Hypusine is a General Feature of the Archaebacterial Kingdom

作者: Dirk Bartig , Henning Schümann , Friedrich Klink

DOI: 10.1016/S0723-2020(11)80156-6

关键词: BiologyBacteriaPosttranslational modificationHydroxylationBiochemistryFunction (biology)ThermoprotealesG proteinHypusineThermoproteaceae

摘要: Summary Investigations of cell protein from various archaebacterial species representing about three fourths the known phyla revealed that ability to synthesize protein-bound deoxyhypusine and/or hypusine is apparently a common feature all aerobic and anaerobic organisms this kingdom. The contents varied between 6 78 nmol/g protein, 2 41 protein. lack or very low levels corresponded high concentrations suggesting may substitute for in its unknown function. Thermoproteus tenax, Pyrodictium occultum Desulfurolobus ambivalens hydroxylate absence molecular oxygen points another hydroxylation mechanism than found eukaryotes.

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