Modulation of transcriptional activity of the DEAD-box family of RNA helicases, p68 (Ddx5) and DP103 (Ddx20), by SUMO modification

F.V. Fuller-Pace, A. -M. F. Jacobs, S. M. Nicol

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    Abstract

    SUMO (small ubiquitin-related modifier) modification is known to have diverse effects on the activity of transcriptional regulators, often through alterations in their localization or interactions with other factors, and in most of the cases is associated with transcriptional repression. The DEAD-box family of RNA helicases includes a large number of proteins that are involved in various cellular processes. Several members are now known to be multifunctional and their activities are thought to be governed by interactions with other partners, which may be regulated by post-translational modifications. in the present paper, we shall briefly review recent evidence indicating that SUMO modification is important in modulating the activity of two DEAD-box proteins, p68 (Ddx5) and DP103 (Ddx20), which are known to be important transcriptional regulators.

    Original languageEnglish
    Pages (from-to)1427-1429
    Number of pages3
    JournalBiochemical Society Transactions
    Volume35
    DOIs
    Publication statusPublished - Dec 2007

    Keywords

    • DP103
    • p68
    • RNA helicase
    • small ubiquitin-related modifier modification (SUMO modification)
    • transcriptional regulation
    • PROTEIN DP103
    • DIFFERENTIATION
    • ACTIVATION
    • REPRESSION
    • PROMOTES
    • RECEPTOR

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