A Novel Mechanism of E2F1 Regulation Via Nucleocytoplasmic Shuttling: Determinants of Nuclear Import and Export
نویسندگان
چکیده
منابع مشابه
The K nuclear shuttling domain: a novel signal for nuclear import and nuclear export in the hnRNP K protein.
Protein import into the nucleus and export from the nucleus are signal-mediated processes that require energy. The nuclear transport process about which the most information is currently available is classical nuclear localization signal (NLS)-mediated nuclear import. However, details concerning the signal-mediated export of proteins and RNAs as well as alternative nuclear import pathways are b...
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15 صفحه اولCalcium-calmodulin kinase I cooperatively regulates nucleocytoplasmic shuttling of CCTα by accessing a nuclear export signal
We identified a new calmodulin kinase I (CaMKI) substrate, cytidyltransferase (CCTα), a crucial enzyme required for maintenance of cell membranes. CCTα becomes activated with translocation from the cytoplasm to the nuclear membrane, resulting in increased membrane phospholipids. Calcium-activated CCTα nuclear import is mediated by binding of its C-terminus to 14-3-3 ζ, a regulator of nuclear tr...
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We have developed a permeabilized cell assay to study the nuclear export of the shuttling transcription factor NFAT, which contains a leucine-rich export signal. The assay uses HeLa cells that are stably transfected with NFAT fused to the green fluorescent protein (GFP). Nuclear export of GFP-NFAT in digitonin-permeabilized cells occurs in a temperature- and ATP-dependent manner and can be quan...
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ژورنال
عنوان ژورنال: Cell Cycle
سال: 2007
ISSN: 1538-4101,1551-4005
DOI: 10.4161/cc.6.17.4650