A newly identified Pirh2 substrate SCYL1-BP1 can bind to MDM2 and accelerate MDM2 self-ubiquitination.
A newly identified Pirh2 substrate SCYL1-BP1 can bind to MDM2 and accelerate MDM2 self-ubiquitination.
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DOI:
10.1016/j.febslet.2010.06.027
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发表时间:
2010-08-04
期刊:
影响因子:
3.5
通讯作者:
Huo K
中科院分区:
文献类型:
--
作者:
Yan J;Zhang D;Di Y;Shi H;Rao H;Huo K
The SCYL1-BP1 protein was identified as an interacting partner of E3 ligase Pirh2 and MDM2 by yeast two-hybrid screening. Further investigation suggested there are two interactions involved in different mechanisms. SCYL1-BP1 can be ubiquitinated and degraded by Pirh2 but not by MDM2, which suggests that SCYL1-BP1 can be regulated by Pirh2. On the other hand, while SCYL1-BP1 binds to ubiquitin E3 ligase MDM2, it promotes MDM2 self-ubiquitination and results in a reduction of MDM2 protein level.
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