1ghj

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[[Image:1ghj.gif|left|200px]]
 
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==SOLUTION STRUCTURE OF THE LIPOYL DOMAIN OF THE 2-OXOGLUTARATE DEHYDROGENASE COMPLEX FROM AZOTOBACTER VINELAND II, NMR, MINIMIZED AVERAGE STRUCTURE==
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The line below this paragraph, containing "STRUCTURE_1ghj", creates the "Structure Box" on the page.
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<StructureSection load='1ghj' size='340' side='right'caption='[[1ghj]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1ghj]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Azotobacter_vinelandii Azotobacter vinelandii]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GHJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1GHJ FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1ghj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ghj OCA], [https://pdbe.org/1ghj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ghj RCSB], [https://www.ebi.ac.uk/pdbsum/1ghj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ghj ProSAT]</span></td></tr>
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{{STRUCTURE_1ghj| PDB=1ghj | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ODO2_AZOVI ODO2_AZOVI] The 2-oxoglutarate dehydrogenase complex catalyzes the overall conversion of 2-oxoglutarate to succinyl-CoA and CO(2). It contains multiple copies of 3 enzymatic components: 2-oxoglutarate dehydrogenase (E1), dihydrolipoamide succinyltransferase (E2) and lipoamide dehydrogenase (E3).
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/gh/1ghj_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</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/main_output.php?pdb_ID=1ghj ConSurf].
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<div style="clear:both"></div>
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'''SOLUTION STRUCTURE OF THE LIPOYL DOMAIN OF THE 2-OXOGLUTARATE DEHYDROGENASE COMPLEX FROM AZOTOBACTER VINELAND II, NMR, MINIMIZED AVERAGE STRUCTURE'''
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==See Also==
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*[[2-oxoglutarate dehydrogenase 3D structures|2-oxoglutarate dehydrogenase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The three-dimensional solution structure of the lipoyl domain of the 2-oxoglutarate dehydrogenase complex from Azotobacter vinelandii has been determined from nuclear magnetic resonance data by using distance geometry and dynamical simulated annealing refinement. The structure determination is based on a total of 580 experimentally derived distance constraints and 65 dihedral angle constraints. The solution structure is represented by an ensemble of 25 structures with an average root-mean-square deviation between the individual structures of the ensemble and the mean coordinates of 0.71 A for backbone atoms and 1.08 A for all heavy atoms. The overall fold of the lipoyl domain is that of a beta-barrel-sandwich hybrid. It consists of two almost parallel four-stranded anti-parallel beta-sheets formed around a well-defined hydrophobic core, with a central position of the single tryptophan 21. The lipoylation site, lysine 42, is found in a beta-turn at the far end of one of the sheets, and is close in space to a solvent-exposed loop comprising residues 7 to 15. The lipoyl domain displays a remarkable internal symmetry that projects one beta-sheet onto the other beta-sheet after rotation of approximately 180 degrees about a 2-fold rotational symmetry axis. There is close structural similarity between the structure of this 2-oxoglutarate dehydrogenase complex lipoyl domain and the structures of the lipoyl domains of pyruvate dehydrogenase complexes from Bacillus stearothermophilus and Escherichia coli, and conformational differences occur primarily in a solvent-exposed loop close in space to the lipoylation site. The lipoyl domain structure is discussed in relation to the process of molecular recognition of lipoyl domains by their parent 2-oxo acid dehydrogenase.
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==About this Structure==
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1GHJ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Azotobacter_vinelandii Azotobacter vinelandii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1GHJ OCA].
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==Reference==
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Solution structure of the lipoyl domain of the 2-oxoglutarate dehydrogenase complex from Azotobacter vinelandii., Berg A, Vervoort J, de Kok A, J Mol Biol. 1996 Aug 23;261(3):432-42. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8780784 8780784]
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[[Category: Azotobacter vinelandii]]
[[Category: Azotobacter vinelandii]]
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[[Category: Dihydrolipoyllysine-residue succinyltransferase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Berg A]]
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[[Category: Berg, A.]]
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[[Category: De Kok A]]
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[[Category: Kok, A De.]]
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[[Category: Vervoort J]]
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[[Category: Vervoort, J.]]
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[[Category: Acyltransferase]]
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[[Category: Glycolysis]]
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[[Category: Lipoyl]]
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[[Category: Transferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:34:11 2008''
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Current revision

SOLUTION STRUCTURE OF THE LIPOYL DOMAIN OF THE 2-OXOGLUTARATE DEHYDROGENASE COMPLEX FROM AZOTOBACTER VINELAND II, NMR, MINIMIZED AVERAGE STRUCTURE

PDB ID 1ghj

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