Sirtuin 4 is a lipoamidase regulating pyruvate dehydrogenase complex activity.
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https://www.omicsdi.org/dataset/gpmdb/GPM32320006423
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Data from ProteomeXchange, PXD ID: PXD001447. Experiment: SIRT4_MITO_MOCK1, file: SIRT4_MITO_MOCK1_05.mzml. Published as part of Cell. 2014 Dec 18;159(7):1615-25 . From the Abstract: {{i}} ... Here, we establish SIRT4 as a cellular lipoamidase that regulates the pyruvate dehydrogenase complex (PDH). Importantly, SIRT4 catalytic efficiency for lipoyl- and biotinyl-lysine modifications is superior to its deacetylation activity. PDH, which converts pyruvate to acetyl-CoA, has been known to be primarily regulated by phosphorylation of its E1 component. We determine that SIRT4 enzymatically hydrolyzes the lipoamide cofactors from the E2 component dihydrolipoyllysine acetyltransferase (DLAT), diminishing PDH activity ... {{/i}}
创建时间：
2015-01-06
