Article
SIRT5 desuccinylates and activates SOD1 to eliminate ROS.
Biochemical and biophysical research communications - 8 Nov 2013
Lin Zhi-Feng, Xu Hong-Bing, Wang Jian-Yun, Lin Qiang, Ruan Zhen, Liu Fa-Bing, Jin Wang, Huang Hai-Hua, Chen Xi
Abstract excerpt
Cu/Zn superoxide dismutase (SOD1) is a key antioxidant enzyme. Deficiency of SOD1 is associated with various human diseases, including cancer. Here, we report that SOD1 is succinylated and that succinylation decreases its activity. SIRT5 binds to, desuccinylates and activates SOD1. SOD1-mediated ROS reduction is increased when SIRT5 is co-expressed. Furthermore, mutation of the SOD1 succinylation site inhibits...
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