1on3

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[[Image:1on3.jpg|left|200px]]
 
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{{Structure
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==Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with methylmalonyl-coenzyme a and methylmalonic acid bound)==
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|PDB= 1on3 |SIZE=350|CAPTION= <scene name='initialview01'>1on3</scene>, resolution 1.90&Aring;
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<StructureSection load='1on3' size='340' side='right'caption='[[1on3]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=DXX:METHYLMALONIC+ACID'>DXX</scene>, <scene name='pdbligand=MCA:METHYLMALONYL-COENZYME+A'>MCA</scene>, <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>
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<table><tr><td colspan='2'>[[1on3]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Propionibacterium_freudenreichii Propionibacterium freudenreichii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ON3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ON3 FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Methylmalonyl-CoA_carboxytransferase Methylmalonyl-CoA carboxytransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.3.1 2.1.3.1] </span>
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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]] 1.9&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=DXX:METHYLMALONIC+ACID'>DXX</scene>, <scene name='pdbligand=MCA:METHYLMALONYL-COENZYME+A'>MCA</scene>, <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene></td></tr>
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|DOMAIN=
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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=1on3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1on3 OCA], [https://pdbe.org/1on3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1on3 RCSB], [https://www.ebi.ac.uk/pdbsum/1on3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1on3 ProSAT]</span></td></tr>
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|RELATEDENTRY=[[1on9|1on9]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1on3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1on3 OCA], [http://www.ebi.ac.uk/pdbsum/1on3 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1on3 RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/12S_PROFR 12S_PROFR] The 12S subunit specifically catalyzes the transfer of the carboxyl group of methylmalonyl CoA to the biotin of the 1.3S subunit forming propanoyl-CoA and carboxylated 1.3S-biotin.
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== Evolutionary Conservation ==
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'''Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with methylmalonyl-coenzyme a and methylmalonic acid bound)'''
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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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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/on/1on3_consurf.spt"</scriptWhenChecked>
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Transcarboxylase from Propionibacterium shermanii is a 1.2 MDa multienzyme complex that couples two carboxylation reactions, transferring CO(2)(-) from methylmalonyl-CoA to pyruvate, yielding propionyl-CoA and oxaloacetate. The 1.9 A resolution crystal structure of the central 12S hexameric core, which catalyzes the first carboxylation reaction, has been solved bound to its substrate methylmalonyl-CoA. Overall, the structure reveals two stacked trimers related by 2-fold symmetry, and a domain duplication in the monomer. In the active site, the labile carboxylate group of methylmalonyl-CoA is stabilized by interaction with the N-termini of two alpha-helices. The 12S domains are structurally similar to the crotonase/isomerase superfamily, although only domain 1 of each 12S monomer binds ligand. The 12S reaction is similar to that of human propionyl-CoA carboxylase, whose beta-subunit has 50% sequence identity with 12S. A homology model of the propionyl-CoA carboxylase beta-subunit, based on this 12S crystal structure, provides new insight into the propionyl-CoA carboxylase mechanism, its oligomeric structure and the molecular basis of mutations responsible for enzyme deficiency in propionic acidemia.
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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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==About this Structure==
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</jmolCheckbox>
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1ON3 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Propionibacterium_freudenreichii Propionibacterium freudenreichii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ON3 OCA].
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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=1on3 ConSurf].
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<div style="clear:both"></div>
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==Reference==
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__TOC__
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Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core., Hall PR, Wang YF, Rivera-Hainaj RE, Zheng X, Pustai-Carey M, Carey PR, Yee VC, EMBO J. 2003 May 15;22(10):2334-47. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12743028 12743028]
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</StructureSection>
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[[Category: Methylmalonyl-CoA carboxytransferase]]
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[[Category: Large Structures]]
[[Category: Propionibacterium freudenreichii]]
[[Category: Propionibacterium freudenreichii]]
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[[Category: Single protein]]
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[[Category: Carey PR]]
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[[Category: Carey, P R.]]
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[[Category: Hall PR]]
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[[Category: Hall, P R.]]
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[[Category: Pustai-Carey M]]
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[[Category: Pustai-Carey, M.]]
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[[Category: Rivera-Hainaj RE]]
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[[Category: Rivera-Hainaj, R E.]]
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[[Category: Wang Y-F]]
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[[Category: Wang, Y F.]]
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[[Category: Yee VC]]
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[[Category: Yee, V C.]]
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[[Category: Zheng X]]
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[[Category: Zheng, X.]]
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[[Category: carboxyl transferase]]
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[[Category: crystal structure]]
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[[Category: domain duplication]]
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[[Category: multienzyme complex]]
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[[Category: transcarboxylase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 22:47:36 2008''
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Current revision

Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with methylmalonyl-coenzyme a and methylmalonic acid bound)

PDB ID 1on3

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