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Drosophila melanogaster deoxyribonucleoside kinase activates gemcitabine

  • Nils Mikkelsen
  • , Hans Eklund

    Publication: Contribution to journalJournal articlepeer-review

    Abstract

    Drosophila melanogaster multisubstrate deoxyribonucleoside kinase (Dm-dNK) can additionally sensitize human cancer cell lines towards the anti-cancer drug gemcitabine. We show that this property is based on the Dm-dNK ability to efficiently phosphorylate gemcitabine. The 2.2 angstrom resolution structure of DmdNK in complex with gemcitabine shows that the residues Tyr70 and Arg105 play a crucial role in the firm positioning of gemcitabine by extra interactions made by the fluoride atoms. This explains why gemcitabine is a good substrate for Dm-dNK(. (C) 2009 Elsevier Inc. All rights reserved.
    Original languageEnglish
    Pages (from-to)430-433
    Number of pages4
    JournalBiochemical and Biophysical Research Communications
    Volume382
    Issue number2
    DOIs
    Publication statusPublished - 2009

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    Keywords

    • Nucleoside analogs
    • Deoxyribonucleoside kinase
    • Gene-therapy
    • Cancer
    • Salvage pathway
    • Structure-function relationship

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