MW 248.71 Da, Purity >97%. Selective, cell-permeable SIRT1 Inhibitor. (IC50= 98 nM, 19.6, 48.7 and > 100 μM for SIRT1, SIRT2, SIRT3, HDAC and NADase respectively). Shows no effect at other HDACs or SIRTs. Enhances p53 acetylation in response to DNA damaging agents.
View Alternative Names
75SirT1, FLJ35621, FLJ37491, HST2, HST2, S. cerevisiae, homolog of, Mitochondrial nicotinamide adenine dinucleotide dependent deacetylase, NAD dependent deacetylase sirtuin 3 mitochondrial, NAD dependent protein deacetylase sirtuin 1, NAD-dependent deacetylase sirtuin-1, NAD-dependent deacetylase sirtuin-2, NAD-dependent protein deacetylase sirtuin-2, NAD-dependent protein deacetylase sirtuin-3, mitochondrial, OTTHUMP00000198111, OTTHUMP00000198112, Regulatory protein SIR2 homolog 1, Regulatory protein SIR2 homolog 2, Regulatory protein SIR2 homolog 3, SIR1_HUMAN, SIR2 L3, SIR2 like 1, SIR2, S. cerevisiae, homolog-loke 2, SIR2, S.cerevisiae, homolog-like 1, SIR2-like protein 1, SIR2-like protein 2, SIR2-like protein 3, SIR2ALPHA, SIR2L, SIR2L1, SIR2L2, SIR3_HUMAN, SIRT 2, SIRT2_HUMAN, Silencing information regulator 2 like, Silent information regulator 2, Silent mating type information regulation 2 S.cerevisiae homolog 3, Sir 2 like 3, Sir2 related protein type 2, SirtT1 75 kDa fragment, Sirtuin (silent mating type information regulation 2 homolog) 1 (S. cerevisiae), Sirtuin (silent mating type information regulation 2 homolog) 2 (S.cerevisiae), Sirtuin 1, Sirtuin 2, Sirtuin 3, Sirtuin silent mating type information regulation 2 homolog 3 (S. cerevisiae), Sirtuin type 1, Sirtuin type 2, Sirtuin type 3, hSIR2, hSIRT 3, hSIRT1
- FuncS
Unknown
Functional Studies - EX-527, SIRT1 Inhibitor (AB141506)
Time course of SIRT1-substrate deacetylation by recombinant SIRT1 in the presence of EX-527.
- Chemical Structure
Lab
Chemical Structure - EX-527, SIRT1 Inhibitor (AB141506)
2D chemical structure image of ab141506, EX-527, SIRT1 Inhibitor
Properties and storage information
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
These sirtuins are significant in regulating diverse cellular functions like metabolism aging stress response and inflammation. SIRT1 is involved in deacetylating histones and is part of larger chromatin remodeling complexes. SIRT2 mostly resides in the cytoplasm and influences the cell cycle while SIRT3 acts in the mitochondria to regulate reactive oxygen species production and energy metabolism. These functions establish them as important players in maintaining cellular homeostasis and adaptative responses to changing cellular environments.
Pathways
SIRT1 SIRT2 and SIRT3 play critical roles in vital pathways related to insulin signaling and oxidative stress response. SIRT1 interacts with the PGC-1α pathway which is key in regulating mitochondrial biogenesis and fatty acid oxidation. SIRT3 is actively involved in the antioxidant defense system aiding in the deacetylation of forkhead box proteins particularly FOXO3a. SIRT2's scope extends to influence the regulation of the AMP-activated protein kinase (AMPK) signaling pathway intersecting with cellular energy balance and stress responses.
Publications (14)
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Redox biology 79:103472 PubMed39752998
2025
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Brain and behavior 14:e70095 PubMed39682063
2024
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Drug design, development and therapy 18:3903-3919 PubMed39224902
2024
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Cellular and molecular life sciences : CMLS 81:324 PubMed39080028
2024
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Diabetes, metabolic syndrome and obesity : targets and therapy 17:247-257 PubMed38269338
2024
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Journal of food biochemistry 46:e14463 PubMed36314441
2022
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The FEBS journal 290:1596-1624 PubMed36239430
2022
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Oxidative medicine and cellular longevity 2022:7444430 PubMed35126819
2022
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Oxidative medicine and cellular longevity 2021:8889195 PubMed34646427
2021
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Brain and behavior 11:e2335 PubMed34473417
2021
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