Evidence map›Paper›PMID 28286128›Full record

ArticleCell chemical biology2017

Deacylation Mechanism by SIRT2 Revealed in the 1'-SH-2'-O-Myristoyl Intermediate Structure.

Yi Wang, Yi Man Eva Fung, Weizhe Zhang, Bin He, Matthew Wai Heng Chung, Jing Jin, Jing Hu, Hening Lin, Quan Hao

Abstract read
In one paragraph

Article in Cell chemical biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed.

  1. SIRT1 in Neurodegenerative Diseases: Molecular Mechanisms, Disease Relevance, and Therapeutic Potential.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
    Review
  2. Article
  3. Article
  4. Article
  5. Review
  6. Review
  7. PROTACs Targeting Epigenetic Proteins.Acta materia medica · 2023
    Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Nicotinamide inhibits melanoma in vitro and in vivo.Journal of experimental & clinical cancer research : CR · 2020
    Article
  15. Evolved, Selective Erasers of Distinct Lysine Acylations.Angewandte Chemie (International ed. in English) · 2020
    Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Identification of a novel small molecule that inhibits deacetylase but not defatty-acylase reaction catalysed by SIRT2.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2018
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Yi WangSchool of Biomedical Sciences, University of Hong Kong, Hong Kong, China.
Yi Man Eva FungState Key Laboratory of Synthetic Chemistry and Department of Chemistry, University of Hong Kong, Hong Kong, China.
Weizhe ZhangSchool of Biomedical Sciences, University of Hong Kong, Hong Kong, China; Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China.
Bin HeCollege of Pharmacy, Engineering Research Center for the Development and Application of Ethnic Medicine and TCM Ministry of Education, Guizhou Medical University, Guizhou 550004, China.
Matthew Wai Heng ChungSchool of Biomedical Sciences, University of Hong Kong, Hong Kong, China.
Jing JinSchool of Biomedical Sciences, University of Hong Kong, Hong Kong, China.
Jing HuDepartment of Chemistry and Chemical Biology, Howard Hughes Medical Institute, Cornell University, Ithaca, NY 14853, USA.
Hening LinDepartment of Chemistry and Chemical Biology, Howard Hughes Medical Institute, Cornell University, Ithaca, NY 14853, USA. Electronic address: hl379@cornell.edu.
Quan HaoSchool of Biomedical Sciences, University of Hong Kong, Hong Kong, China. Electronic address: qhao@hku.hk.

Funding

Chemical/biochemical tools for studying novel protein acyl lysine modificationsR01GM098596 · NIGMS · CORNELL UNIVERSITY · PI LIN, HENING · 2012 to 2015
$1.8M
NIGMS NIH HHS R01 GM098596
6 · The paper itself

Abstract

Sirtuins are NAD-dependent deacylases. Previous studies have established two important enzymatic intermediates in sirtuin-catalyzed deacylation, an alkylamidate intermediate I, which is then converted to a bicyclic intermediate II. However, how intermediate II is converted to products is unknown. Based on potent SIRT2-specific inhibitors we developed, here we report crystal structures of SIRT2 in complexes with a thiomyristoyl lysine peptide-based inhibitor and carba-NAD or NAD. Interestingly, by soaking crystals with NAD, we capture a distinct covalent catalytic intermediate (III) that is different from the previously established intermediates I and II. In this intermediate, the covalent bond between the S and the myristoyl carbonyl carbon is broken, and we believe this intermediate III to be the decomposition product of II en route to form the end products. MALDI-TOF data further support the intermediate III formation. This is the first time such an intermediate has been captured by X-ray crystallography and provides more mechanistic insights into sirtuin-catalyzed reactions.

Indexed as

AcylationBiocatalysisCrystallography, X-RayFatty Acids, MonounsaturatedHumansNADPeptidesProtein Structure, TertiaryRecombinant ProteinsSirtuin 2Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization9-tetradecenoic acidcarbanicotinamide adenine dinucleotideFatty Acids, MonounsaturatedNADPeptidesRecombinant ProteinsSirtuin 2crystallographyenzymepost-translational modificationsreactive intermediatessirtuins

Identifiers

PMID28286128
PMCPMC5365152

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.