Degradation of cyclin D3 independent of Thr-283 phosphorylation
نویسندگان
چکیده
منابع مشابه
pRb-dependent cyclin D3 protein stabilization is required for myogenic differentiation.
The expression of retinoblastoma (pRb) and cyclin D3 proteins is highly induced during the process of skeletal myoblast differentiation. We have previously shown that cyclin D3 is nearly totally associated with hypophosphorylated pRb in differentiated myotubes, whereas Rb-/- myocytes fail to accumulate the cyclin D3 protein despite normal induction of cyclin D3 mRNA. Here we report that pRb pro...
متن کاملPhosphorylation-dependent degradation of the cyclin-dependent kinase inhibitor p27.
The p27(Kip1) protein associates with G1-specific cyclin-CDK complexes and inhibits their catalytic activity. p27(Kip1) is regulated at various levels, including translation, degradation by the ubiquitin/proteasome pathway and non-covalent sequestration. Here, we describe point mutants of p27 deficient in their interaction with either cyclins (p27(c-)), CDKs (p27(k-)) or both (p27(ck-)), and de...
متن کاملSpecific phosphorylation of nucleophosmin on Thr(199) by cyclin-dependent kinase 2-cyclin E and its role in centrosome duplication.
The kinase activity of cyclin-dependent kinase 2 (CDK2)-cyclin E is required for centrosomes to initiate duplication. We have recently found that nucleophosmin (NPM/B23), a phosphoprotein primarily found in nucleolus, associates with unduplicated centrosomes and is a direct substrate of CDK2-cyclin E in centrosome duplication. Upon phosphorylation by CDK2-cyclin E, NPM/B23 dissociates from cent...
متن کاملSpecific Phosphorylation of Nucleophosmin on Thr by Cyclin- dependent Kinase 2-Cyclin E and Its Role in Centrosome Duplication*
The kinase activity of cyclin-dependent kinase 2 (CDK2)-cyclin E is required for centrosomes to initiate duplication. We have recently found that nucleophosmin (NPM/B23), a phosphoprotein primarily found in nucleolus, associates with unduplicated centrosomes and is a direct substrate of CDK2-cyclin E in centrosome duplication. Upon phosphorylation by CDK2-cyclin E, NPM/B23 dissociates from cent...
متن کاملdegradation of oil impregnated paper insulation under influence of repetitive fast high voltage impulses
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ژورنال
عنوان ژورنال: Oncogene
سال: 2005
ISSN: 0950-9232,1476-5594
DOI: 10.1038/sj.onc.1209278