Protocol to purify the histone deacetylase SIRT6 and assess its activity in vitro.

STAR Protoc

Guangdong Key Laboratory of Genome Stability and Human Disease Prevention, Shenzhen University International Cancer Center, Marshall Laboratory of Biomedical Engineering, Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China. Electronic address:

Published: March 2023

AI Article Synopsis

  • SIRT6 is a histone deacetylase that modifies proteins but has low activity in lab settings.
  • The study presents a method to track how SIRT6 deacetylates a specific protein, long-chain acyl-CoA synthase 5, when palmitic acid is present.
  • The protocol includes steps for purifying SIRT6 and its substrate, as well as a deacetylation assay that can be applied to various research scenarios involving SIRT6.

Article Abstract

The histone deacetylase known as sirtuin 6 (SIRT6) deacetylates both histone and non-histone proteins but has low deacetylase activity in vitro. Here, we present a protocol to monitor SIRT6-mediated deacetylation of long-chain acyl-CoA synthase 5 in the presence of palmitic acid. We describe the purification of His-SIRT6 and a Flag-tagged substrate. We then detail a deacetylation assay protocol that can be widely applied to study other SIRT6-mediated deacetylation events and the effect of SIRT6 mutations on its activity. For complete details on the use and execution of this protocol, please refer to Hou et al. (2022)..

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10090442PMC
http://dx.doi.org/10.1016/j.xpro.2023.102206DOI Listing

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