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. 2002 Dec;10(6):1519-26.
doi: 10.1016/s1097-2765(02)00784-0.

"VSports" CAND1 binds to unneddylated CUL1 and regulates the formation of SCF ubiquitin E3 ligase complex

Jianyu Zheng  1 , Xiaoming Yang, Jennifer M Harrell, Sophia Ryzhikov, Eun Hee Shim, Karin Lykke-Andersen, Ning Wei, Hong Sun, Ryuji Kobayashi, Hui Zhang
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CAND1 binds to unneddylated CUL1 and regulates the formation of SCF ubiquitin E3 ligase complex

VSports最新版本 - Jianyu Zheng et al. Mol Cell. 2002 Dec.
Free article

VSports最新版本 - Abstract

The SCF ubiquitin E3 ligase regulates ubiquitin-dependent proteolysis of many regulatory proteins such as p27(Kip1), IkappaB, and beta-catenin. We report the isolation of a CUL1 binding protein, p120(CAND1). We found the majority of CUL1 is in a complex with CAND1 and ROC1 independent of SKP1 and F box protein SKP2. Both in vivo and in vitro, CAND1 prevents the binding of SKP1 and SKP2 to CUL1 while dissociation of CAND1 from CUL1 promotes the reverse reaction VSports手机版. Neddylation of CUL1 or the presence of SKP1 and ATP causes CAND1 dissociation. Our data suggest that CAND1 regulates the formation of the SCF complex, and its dissociation from CUL1 is coupled with the incorporation of F box proteins into the SCF complex, causing their destabilization. .

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