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==Crystal Structure of human SIRT3 with ELT inhibitor 28 [4-(4-{2-[(2,2-dimethylpropanoyl)amino]ethyl}piperidin-1-yl)thieno[3,2-d]pyrimidine-6-carboxamide[==
==Crystal Structure of human SIRT3 with ELT inhibitor 28 [4-(4-{2-[(2,2-dimethylpropanoyl)amino]ethyl}piperidin-1-yl)thieno[3,2-d]pyrimidine-6-carboxamide[==
<StructureSection load='4jt8' size='340' side='right' caption='[[4jt8]], [[Resolution|resolution]] 2.26&Aring;' scene=''>
<StructureSection load='4jt8' size='340' side='right'caption='[[4jt8]], [[Resolution|resolution]] 2.26&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4jt8]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4JT8 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4JT8 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4jt8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4JT8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4JT8 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=1NR:4-(4-{2-[(2,2-DIMETHYLPROPANOYL)AMINO]ETHYL}PIPERIDIN-1-YL)THIENO[3,2-D]PYRIMIDINE-6-CARBOXAMIDE'>1NR</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.26&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4jsr|4jsr]], [[4jt9|4jt9]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1NR:4-(4-{2-[(2,2-DIMETHYLPROPANOYL)AMINO]ETHYL}PIPERIDIN-1-YL)THIENO[3,2-D]PYRIMIDINE-6-CARBOXAMIDE'>1NR</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SIRT3, SIR2L3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4jt8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4jt8 OCA], [https://pdbe.org/4jt8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4jt8 RCSB], [https://www.ebi.ac.uk/pdbsum/4jt8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4jt8 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4jt8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4jt8 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4jt8 RCSB], [http://www.ebi.ac.uk/pdbsum/4jt8 PDBsum]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Function ==
== Publication Abstract from PubMed ==
[https://www.uniprot.org/uniprot/SIR3_HUMAN SIR3_HUMAN] NAD-dependent protein deacetylase. Activates mitochondrial target proteins, including ACSS1, IDH2 and GDH by deacetylating key lysine residues. Contributes to the regulation of the cellular energy metabolism. Important for regulating tissue-specific ATP levels.<ref>PMID:16788062</ref> <ref>PMID:18680753</ref> <ref>PMID:18794531</ref> <ref>PMID:19535340</ref>  
The sirtuins SIRT1, SIRT2 and SIRT3 are NAD+ dependent deacetylases that are considered potential targets for metabolic, inflammatory, oncologic and neurodegenerative disorders. Encoded Library Technology (ELT) was used to affinity screen a 1.2 million heterocycle enriched library of DNA encoded small molecules, which identified pan-inhibitors of SIRT1/2/3 with nanomolar potency (e.g. 11c: IC50 = 3.6, 2.7 and 4.0 nM for SIRT1, SIRT2 and SIRT3 respectively). Subsequent SAR studies to improve physiochemical properties identified the potent drug like analogs 28 and 31. Crystallographic studies of 11c, 28 and 31 bound in the SIRT3 active site revealed that the common carboxamide binds in the nicotinamide C-pocket and the aliphatic portions of the inhibitors extend through the substrate channel, explaining the observable SAR. These pan SIRT1/2/3 inhibitors, representing a novel chemotype, are significantly more potent than currently available inhibitors which makes them valuable tools for sirtuin research.
 
Discovery of Thieno[3,2-d]pyrimidine-6-carboxamides as potent inhibitors of SIRT1, SIRT2 and SIRT3.,Disch JS, Evindar G, Chui CH, Blum CA, Dai H, Jin L, Schuman E, Lind KE, Belyanskaya SL, Deng J, Coppo FT, Aquilani L, Graybill TL, Cuozzo JW, Lavu S, Mao C, Vlasuk GP, Perni RB J Med Chem. 2013 Apr 9. PMID:23570514<ref>PMID:23570514</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
==See Also==
</div>
*[[Histone deacetylase 3D structures|Histone deacetylase 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Dai, H]]
[[Category: Large Structures]]
[[Category: Deacetylase]]
[[Category: Dai H]]
[[Category: Hydrolase-hydrolase inhibitor complex]]

Latest revision as of 15:06, 1 March 2024

Crystal Structure of human SIRT3 with ELT inhibitor 28 [4-(4-{2-[(2,2-dimethylpropanoyl)amino]ethyl}piperidin-1-yl)thieno[3,2-d]pyrimidine-6-carboxamide[

Structural highlights

4jt8 is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.26Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

SIR3_HUMAN NAD-dependent protein deacetylase. Activates mitochondrial target proteins, including ACSS1, IDH2 and GDH by deacetylating key lysine residues. Contributes to the regulation of the cellular energy metabolism. Important for regulating tissue-specific ATP levels.[1] [2] [3] [4]

See Also

References

  1. ↑ Schwer B, Bunkenborg J, Verdin RO, Andersen JS, Verdin E. Reversible lysine acetylation controls the activity of the mitochondrial enzyme acetyl-CoA synthetase 2. Proc Natl Acad Sci U S A. 2006 Jul 5;103(27):10224-9. Epub 2006 Jun 20. PMID:16788062 doi:10.1073/pnas.0603968103
  2. ↑ Schlicker C, Gertz M, Papatheodorou P, Kachholz B, Becker CF, Steegborn C. Substrates and regulation mechanisms for the human mitochondrial sirtuins Sirt3 and Sirt5. J Mol Biol. 2008 Oct 10;382(3):790-801. doi: 10.1016/j.jmb.2008.07.048. Epub 2008, Jul 25. PMID:18680753 doi:10.1016/j.jmb.2008.07.048
  3. ↑ Ahn BH, Kim HS, Song S, Lee IH, Liu J, Vassilopoulos A, Deng CX, Finkel T. A role for the mitochondrial deacetylase Sirt3 in regulating energy homeostasis. Proc Natl Acad Sci U S A. 2008 Sep 23;105(38):14447-52. doi:, 10.1073/pnas.0803790105. Epub 2008 Sep 15. PMID:18794531 doi:10.1073/pnas.0803790105
  4. ↑ Jin L, Wei W, Jiang Y, Peng H, Cai J, Mao C, Dai H, Choy W, Bemis JE, Jirousek MR, Milne JC, Westphal CH, Perni RB. Crystal structures of human SIRT3 displaying substrate-induced conformational changes. J Biol Chem. 2009 Sep 4;284(36):24394-405. Epub 2009 Jun 16. PMID:19535340 doi:10.1074/jbc.M109.014928

4jt8, resolution 2.26Å

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