The Proapoptotic F-box Protein Fbxl7 Regulates Mitochondrial Function by Mediating the Ubiquitylation and Proteasomal Degradation of Survivin.

doi:10.1074/jbc.M114.629931

Article

The Proapoptotic F-box Protein Fbxl7 Regulates Mitochondrial Function by Mediating the Ubiquitylation and Proteasomal Degradation of Survivin.

The Journal of biological chemistry - 8 May 2015

Liu Yuan, Lear Travis, Iannone Olivia, Shiva Sruti, Corey Catherine, Rajbhandari Shristi, Jerome Jacob, Chen Bill B, Mallampalli Rama K

Abstract excerpt

Fbxl7, a component of the Skp1·Cul1·F-box protein type ubiquitin E3 ligase, regulates mitotic cell cycle progression. Here we demonstrate that overexpression of Fbxl7 in lung epithelia decreases the protein abundance of survivin, a member of the inhibitor of apoptosis family. Fbxl7 mediates polyubiquitylation and proteasomal degradation of survivin by interacting with Glu-126 within its carboxyl-terminal α helix....

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