1y8n

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==Crystal structure of the PDK3-L2 complex==
==Crystal structure of the PDK3-L2 complex==
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<StructureSection load='1y8n' size='340' side='right' caption='[[1y8n]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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<StructureSection load='1y8n' size='340' side='right'caption='[[1y8n]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1y8n]] is a 2 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=1Y8N OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Y8N FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1y8n]] is a 2 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=1Y8N OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Y8N FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=RED:DIHYDROLIPOIC+ACID'>RED</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.6&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1y8o|1y8o]], [[1y8p|1y8p]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=RED:DIHYDROLIPOIC+ACID'>RED</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PDK3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), DLAT, DLTA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1y8n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1y8n OCA], [https://pdbe.org/1y8n PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1y8n RCSB], [https://www.ebi.ac.uk/pdbsum/1y8n PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1y8n ProSAT]</span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/[Pyruvate_dehydrogenase_(acetyl-transferring)]_kinase [Pyruvate dehydrogenase (acetyl-transferring)] kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.2 2.7.11.2] </span></td></tr>
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<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=1y8n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1y8n OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1y8n RCSB], [http://www.ebi.ac.uk/pdbsum/1y8n PDBsum]</span></td></tr>
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</table>
</table>
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== Disease ==
 
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[[http://www.uniprot.org/uniprot/ODP2_HUMAN ODP2_HUMAN]] Note=Primary biliary cirrhosis is a chronic, progressive cholestatic liver disease characterized by the presence of antimitochondrial autoantibodies in patients' serum. It manifests with inflammatory obliteration of intra-hepatic bile duct, leading to liver cell damage and cirrhosis. Patients with primary biliary cirrhosis show autoantibodies against the E2 component of pyruvate dehydrogenase complex. Defects in DLAT are the cause of pyruvate dehydrogenase E2 deficiency (PDHE2 deficiency) [MIM:[http://omim.org/entry/245348 245348]]; also known as lactic acidemia due to defect of E2 lipoyl transacetylase of the pyruvate dehydrogenase complex. Pyruvate dehydrogenase (PDH) deficiency is a major cause of primary lactic acidosis and neurological dysfunction in infancy and early childhood. In this form of PDH deficiency episodic dystonia is the major neurological manifestation, with other more common features of pyruvate dehydrogenase deficiency, such as hypotonia and ataxia, being less prominent.
 
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/PDK3_HUMAN PDK3_HUMAN]] Inhibits pyruvate dehydrogenase activity by phosphorylation of the E1 subunit PDHA1, and thereby regulates glucose metabolism and aerobic respiration. Can also phosphorylate PDHA2. Decreases glucose utilization and increases fat metabolism in response to prolonged fasting, and as adaptation to a high-fat diet. Plays a role in glucose homeostasis and in maintaining normal blood glucose levels in function of nutrient levels and under starvation. Plays a role in the generation of reactive oxygen species.<ref>PMID:10748134</ref> <ref>PMID:11486000</ref> <ref>PMID:16436377</ref> <ref>PMID:18718909</ref> <ref>PMID:22865452</ref> <ref>PMID:15861126</ref> <ref>PMID:17683942</ref> [[http://www.uniprot.org/uniprot/ODP2_HUMAN ODP2_HUMAN]] The pyruvate dehydrogenase complex catalyzes the overall conversion of pyruvate to acetyl-CoA and CO(2), and thereby links the glycolytic pathway to the tricarboxylic cycle.
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[https://www.uniprot.org/uniprot/PDK3_HUMAN PDK3_HUMAN] Inhibits pyruvate dehydrogenase activity by phosphorylation of the E1 subunit PDHA1, and thereby regulates glucose metabolism and aerobic respiration. Can also phosphorylate PDHA2. Decreases glucose utilization and increases fat metabolism in response to prolonged fasting, and as adaptation to a high-fat diet. Plays a role in glucose homeostasis and in maintaining normal blood glucose levels in function of nutrient levels and under starvation. Plays a role in the generation of reactive oxygen species.<ref>PMID:10748134</ref> <ref>PMID:11486000</ref> <ref>PMID:16436377</ref> <ref>PMID:18718909</ref> <ref>PMID:22865452</ref> <ref>PMID:15861126</ref> <ref>PMID:17683942</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/y8/1y8n_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/y8/1y8n_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
</jmolCheckbox>
</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1y8n ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
</div>
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<div class="pdbe-citations 1y8n" style="background-color:#fffaf0;"></div>
==See Also==
==See Also==
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*[[Dihydrolipoamide acetyltransferase|Dihydrolipoamide acetyltransferase]]
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*[[Dihydrolipoamide acetyltransferase 3D structures|Dihydrolipoamide acetyltransferase 3D structures]]
*[[Pyruvate dehydrogenase kinase|Pyruvate dehydrogenase kinase]]
*[[Pyruvate dehydrogenase kinase|Pyruvate dehydrogenase kinase]]
== References ==
== References ==
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Chuang, D T]]
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[[Category: Large Structures]]
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[[Category: Chuang, J L]]
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[[Category: Chuang DT]]
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[[Category: Kato, M]]
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[[Category: Chuang JL]]
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[[Category: Wynn, R M]]
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[[Category: Kato M]]
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[[Category: Lipoyl-bearing domain]]
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[[Category: Wynn RM]]
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[[Category: Protein-protein complex]]
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[[Category: Pyruvate dehydrogenase kinase 3]]
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[[Category: Transferase]]
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Current revision

Crystal structure of the PDK3-L2 complex

PDB ID 1y8n

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