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  • Title: 14-3-3 proteins: regulators of numerous eukaryotic proteins.
    Author: van Heusden GP.
    Journal: IUBMB Life; 2005 Sep; 57(9):623-9. PubMed ID: 16203681.
    Abstract:
    14-3-3 proteins form a family of highly conserved proteins capable of binding to more than 200 different mostly phosphorylated proteins. They are present in all eukaryotic organisms investigated, often in multiple isoforms, up to 13 in some plants. 14-3-3 binding partners are involved in almost every cellular process and 14-3-3 proteins play a key role in these processes. 14-3-3 proteins interact with products encoded by oncogenes, with filament forming proteins involved in Alzheimer'ss disease and many other proteins related to human diseases. Disturbance of the interactions with 14-3-3 proteins may lead to diseases like cancer and the neurological Miller-Dieker disease. The molecular consequences of 14-3-3 binding are diverse and only partly understood. Binding of a protein to a 14-3-3 protein may result in stabilization of the active or inactive phosphorylated form of the protein, to a conformational alteration leading to activation or inhibition, to a different subcellular localization or to the interaction with other proteins. Currently genome- and proteome-wide studies are contributing to a wider knowledge of this important family of proteins.
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