Article
Lysine desuccinylase SIRT5 binds to cardiolipin and regulates the electron transport chain.
The Journal of biological chemistry - 16 Jun 2017
Zhang Yuxun, Bharathi Sivakama S, Rardin Matthew J, Lu Jie, Maringer Katherine V, Sims-Lucas Sunder, Prochownik Edward V, Gibson Bradford W, Goetzman Eric S
Abstract excerpt
SIRT5 is a lysine desuccinylase known to regulate mitochondrial fatty acid oxidation and the urea cycle. Here, SIRT5 was observed to bind to cardiolipin via an amphipathic helix on its N terminus. In vitro, succinyl-CoA was used to succinylate liver mitochondrial membrane proteins. SIRT5 largely reversed the succinyl-CoA-driven lysine succinylation. Quantitative mass spectrometry of SIRT5-treated membrane...
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