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==Crystal Structure of SIRT5 in Complex with a Coumarin-Labelled Succinyl Peptide== | |||
<StructureSection load='5bwl' size='340' side='right'caption='[[5bwl]], [[Resolution|resolution]] 1.55Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[5bwl]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5BWL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5BWL FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.548Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MCM:7-AMINO-4-METHYL-CHROMEN-2-ONE'>MCM</scene>, <scene name='pdbligand=SLL:(2S)-2-AZANYL-6-[(4-HYDROXY-4-OXO-BUTANOYL)AMINO]HEXANOIC+ACID'>SLL</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=5bwl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5bwl OCA], [https://pdbe.org/5bwl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5bwl RCSB], [https://www.ebi.ac.uk/pdbsum/5bwl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5bwl ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/SIR5_HUMAN SIR5_HUMAN] NAD-dependent lysine demalonylase and desuccinylase that specifically removes malonyl and succinyl groups on target proteins. Activates CPS1 and contributes to the regulation of blood ammonia levels during prolonged fasting: acts by mediating desuccinylation of CPS1, thereby increasing CPS1 activity in response to elevated NAD levels during fasting. Activates SOD1 by mediating its desuccinylation, leading to reduced reactive oxygen species. Has weak NAD-dependent protein deacetylase activity; however this activity may not be physiologically relevant in vivo. Can deacetylate cytochrome c (CYCS) and a number of other proteins in vitro.<ref>PMID:18680753</ref> <ref>PMID:21908771</ref> <ref>PMID:24140062</ref> <ref>PMID:22076378</ref> | |||
==See Also== | |||
*[[Histone deacetylase 3D structures|Histone deacetylase 3D structures]] | |||
== References == | |||
[[Category: | <references/> | ||
[[Category: | __TOC__ | ||
[[Category: Gai | </StructureSection> | ||
[[Category: Jiang | [[Category: Homo sapiens]] | ||
[[Category: Large Structures]] | |||
[[Category: Synthetic construct]] | |||
[[Category: Gai W]] | |||
[[Category: Jiang H]] | |||
[[Category: Liu D]] |
Latest revision as of 19:05, 8 November 2023
Crystal Structure of SIRT5 in Complex with a Coumarin-Labelled Succinyl PeptideCrystal Structure of SIRT5 in Complex with a Coumarin-Labelled Succinyl Peptide
Structural highlights
FunctionSIR5_HUMAN NAD-dependent lysine demalonylase and desuccinylase that specifically removes malonyl and succinyl groups on target proteins. Activates CPS1 and contributes to the regulation of blood ammonia levels during prolonged fasting: acts by mediating desuccinylation of CPS1, thereby increasing CPS1 activity in response to elevated NAD levels during fasting. Activates SOD1 by mediating its desuccinylation, leading to reduced reactive oxygen species. Has weak NAD-dependent protein deacetylase activity; however this activity may not be physiologically relevant in vivo. Can deacetylate cytochrome c (CYCS) and a number of other proteins in vitro.[1] [2] [3] [4] See AlsoReferences
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