1oy0

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[[Image:1oy0.gif|left|200px]]
 
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==The crystal Structure of the First Enzyme of Pantothenate Biosynthetic Pathway, Ketopantoate Hydroxymethyltransferase from Mycobacterium Tuberculosis Shows a Decameric Assembly and Terminal Helix-Swapping==
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The line below this paragraph, containing "STRUCTURE_1oy0", creates the "Structure Box" on the page.
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<StructureSection load='1oy0' size='340' side='right'caption='[[1oy0]], [[Resolution|resolution]] 2.80&Aring;' 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'>[[1oy0]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OY0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1OY0 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">X-ray diffraction, [[Resolution|Resolution]] 2.8&#8491;</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=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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{{STRUCTURE_1oy0| PDB=1oy0 | SCENE= }}
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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=1oy0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1oy0 OCA], [https://pdbe.org/1oy0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1oy0 RCSB], [https://www.ebi.ac.uk/pdbsum/1oy0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1oy0 ProSAT]</span></td></tr>
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</table>
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'''The crystal Structure of the First Enzyme of Pantothenate Biosynthetic Pathway, Ketopantoate Hydroxymethyltransferase from Mycobacterium Tuberculosis Shows a Decameric Assembly and Terminal Helix-Swapping'''
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== Function ==
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[https://www.uniprot.org/uniprot/PANB_MYCTU PANB_MYCTU] Catalyzes the reversible reaction in which hydroxymethyl group from 5,10-methylenetetrahydrofolate is tranferred onto alpha-ketoisovalerate to form ketopantoate.<ref>PMID:12515554</ref>
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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Ketopantoate hydroxymethyltransferase (KPHMT) catalyzes the first committed step in the biosynthesis of pantothenate, which is a precursor to coenzyme A and is required for penicillin biosynthesis. The crystal structure of KPHMT from Mycobacterium tuberculosis was determined by the single anomalous substitution (SAS) method at 2.8 A resolution. KPHMT adopts a structure that is a variation on the (beta/alpha) barrel fold, with a metal binding site proximal to the presumed catalytic site. The protein forms a decameric complex, with subunits in opposing pentameric rings held together by a swapping of their C-terminal alpha helices. The structure reveals KPHMT's membership in a small, recently discovered group of (beta/alpha) barrel enzymes that employ domain swapping to form a variety of oligomeric assemblies. The apparent conservation of certain detailed structural characteristics suggests that KPHMT is distantly related by divergent evolution to enzymes in unrelated pathways, including isocitrate lyase and phosphoenolpyruvate mutase.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/oy/1oy0_consurf.spt"</scriptWhenChecked>
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1OY0 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OY0 OCA].
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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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==Reference==
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</jmolCheckbox>
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The crystal structure of the first enzyme in the pantothenate biosynthetic pathway, ketopantoate hydroxymethyltransferase, from M tuberculosis., Chaudhuri BN, Sawaya MR, Kim CY, Waldo GS, Park MS, Terwilliger TC, Yeates TO, Structure. 2003 Jul;11(7):753-64. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12842039 12842039]
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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=1oy0 ConSurf].
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[[Category: 3-methyl-2-oxobutanoate hydroxymethyltransferase]]
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mycobacterium tuberculosis]]
[[Category: Mycobacterium tuberculosis]]
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[[Category: Single protein]]
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[[Category: Chaudhuri BN]]
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[[Category: Chaudhuri, B N.]]
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[[Category: Kim CY]]
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[[Category: Kim, C Y.]]
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[[Category: Park MS]]
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[[Category: Park, M S.]]
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[[Category: Sawaya MR]]
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[[Category: Sawaya, M R.]]
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[[Category: Terwilliger TC]]
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[[Category: TBSGC, TB Structural Genomics Consortium.]]
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[[Category: Waldo GS]]
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[[Category: Terwilliger, T C.]]
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[[Category: Yeates TO]]
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[[Category: Waldo, G S.]]
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[[Category: Yeates, T O.]]
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[[Category: Domain swapping]]
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[[Category: Protein structure initiative]]
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[[Category: Psi]]
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[[Category: Structural genomic]]
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[[Category: Tb structural genomics consortium]]
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[[Category: Tbsgc]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 04:25:02 2008''
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Current revision

The crystal Structure of the First Enzyme of Pantothenate Biosynthetic Pathway, Ketopantoate Hydroxymethyltransferase from Mycobacterium Tuberculosis Shows a Decameric Assembly and Terminal Helix-Swapping

PDB ID 1oy0

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