Phosphorylation of the eukaryotic initiation factor 3f by cyclin-dependent kinase 11 during apoptosis.
Phosphorylation of the eukaryotic initiation factor 3f by cyclin-dependent kinase 11 during apoptosis.
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DOI:
10.1016/j.febslet.2009.02.028
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发表时间:
2009-03-18
期刊:
影响因子:
3.5
通讯作者:
Nelson, Mark A.
中科院分区:
文献类型:
--
作者:
Shi, Jiaqi;Hershey, John W. B.;Nelson, Mark A.
eIF3f is a subunit of eIF3. We previously showed that eIF3f is phosphorylated by CDK11p46 which is an important effector in apoptosis. Here, we identified a second eIF3f phosphorylation site (Thr119) by CDK11p46 during apoptosis. We demonstrated that eIF3f is directly phosphorylated by CDK11p46 in vivo. Phosphorylation of eIF3f plays an important role in regulating its function in translation and apoptosis. Phosphorylation of eIF3f enhances the association of eIF3f with the core eIF3 subunits during apoptosis. Our data suggested that eIF3f may inhibit translation by increasing the binding to the eIF3 complex during apoptosis.
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影响因子:
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作者:
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通讯作者:
Nelson, M. A.
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