1mro

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[[Image:1mro.png|left|200px]]
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==METHYL-COENZYME M REDUCTASE==
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<StructureSection load='1mro' size='340' side='right' caption='[[1mro]], [[Resolution|resolution]] 1.16&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1mro]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Methanothermobacter_marburgensis_str._marburg Methanothermobacter marburgensis str. marburg]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MRO OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1MRO FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=COM:1-THIOETHANESULFONIC+ACID'>COM</scene>, <scene name='pdbligand=F43:FACTOR+430'>F43</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=TP7:PHOSPHORIC+ACID+N-(1-HYDROXY-7-MERCAPTO-HEPTYL)THREONINE+ESTER'>TP7</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=AGM:5-METHYL-ARGININE'>AGM</scene>, <scene name='pdbligand=GL3:THIOGLYCIN'>GL3</scene>, <scene name='pdbligand=MGN:2-METHYL-GLUTAMINE'>MGN</scene>, <scene name='pdbligand=MHS:N1-METHYLATED+HISTIDINE'>MHS</scene>, <scene name='pdbligand=SMC:S-METHYLCYSTEINE'>SMC</scene></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1mro FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mro OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1mro RCSB], [http://www.ebi.ac.uk/pdbsum/1mro PDBsum]</span></td></tr>
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<table>
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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/mr/1mro_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Methyl-coenzyme M reductase (MCR), the enzyme responsible for the microbial formation of methane, is a 300-kilodalton protein organized as a hexamer in an alpha2beta2gamma2 arrangement. The crystal structure of the enzyme from Methanobacterium thermoautotrophicum, determined at 1.45 angstrom resolution for the inactive enzyme state MCRox1-silent, reveals that two molecules of the nickel porphinoid coenzyme F430 are embedded between the subunits alpha, alpha', beta, and gamma and alpha', alpha, beta', and gamma', forming two identical active sites. Each site is accessible for the substrate methyl-coenzyme M through a narrow channel locked after binding of the second substrate coenzyme B. Together with a second structurally characterized enzyme state (MCRsilent) containing the heterodisulfide of coenzymes M and B, a reaction mechanism is proposed that uses a radical intermediate and a nickel organic compound.
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{{STRUCTURE_1mro| PDB=1mro | SCENE= }}
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Crystal structure of methyl-coenzyme M reductase: the key enzyme of biological methane formation.,Ermler U, Grabarse W, Shima S, Goubeaud M, Thauer RK Science. 1997 Nov 21;278(5342):1457-62. PMID:9367957<ref>PMID:9367957</ref>
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===METHYL-COENZYME M REDUCTASE===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_9367957}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1mro]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Methanothermobacter_marburgensis_str._marburg Methanothermobacter marburgensis str. marburg]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MRO OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:009367957</ref><references group="xtra"/>
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[[Category: Methanothermobacter marburgensis str. marburg]]
[[Category: Methanothermobacter marburgensis str. marburg]]
[[Category: Ermler, U.]]
[[Category: Ermler, U.]]

Revision as of 13:57, 28 September 2014

METHYL-COENZYME M REDUCTASE

1mro, resolution 1.16Å

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