1ezw

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[[Image:1ezw.png|left|200px]]
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==STRUCTURE OF COENZYME F420 DEPENDENT TETRAHYDROMETHANOPTERIN REDUCTASE FROM METHANOPYRUS KANDLERI==
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<StructureSection load='1ezw' size='340' side='right' caption='[[1ezw]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ezw]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Methanopyrus_kandleri Methanopyrus kandleri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EZW OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1EZW FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1f07|1f07]]</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=1ezw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ezw OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ezw RCSB], [http://www.ebi.ac.uk/pdbsum/1ezw 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/ez/1ezw_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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Coenzyme F(420)-dependent methylenetetrahydromethanopterin reductase (Mer) is an enzyme of the Cl metabolism in methanogenic and sulfate reducing archaea. It is composed of identical 35-40 kDa subunits and lacks a prosthetic group. The crystal structure of Mer from Methanopyrus kandleri (kMer) revealed in one crystal form a dimeric and in another a tetrameric oligomerisation state and that from Methanobacterium thermoautotrophicum (tMer) a dimeric state. Each monomer is primarily composed of a TIM-barrel fold enlarged by three insertion regions. Insertion regions 1 and 2 contribute to intersubunit interactions. Insertion regions 2 and 3 together with the C-terminal end of the TIM-barrel core form a cleft where the binding sites of coenzyme F(420) and methylene-tetrahydromethanopterin are postulated. Close to the coenzyme F(420)-binding site lies a rarely observed non-prolyl cis-peptide bond. It is surprising that Mer is structurally most similar to a bacterial FMN-dependent luciferase which contains a non-prolyl cis-peptide bond at the equivalent position. The structure of Mer is also related to that of NADP-dependent FAD-harbouring methylenetetrahydrofolate reductase (MetF). However, Mer and MetF do not show sequence similarities although they bind related substrates and catalyze an analogous reaction.
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Structure of coenzyme F(420) dependent methylenetetrahydromethanopterin reductase from two methanogenic archaea.,Shima S, Warkentin E, Grabarse W, Sordel M, Wicke M, Thauer RK, Ermler U J Mol Biol. 2000 Jul 21;300(4):935-50. PMID:10891279<ref>PMID:10891279</ref>
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The line below this paragraph, containing "STRUCTURE_1ezw", creates the "Structure Box" on the page.
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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or leave the SCENE parameter empty for the default display.
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-->
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{{STRUCTURE_1ezw| PDB=1ezw | SCENE= }}
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===STRUCTURE OF COENZYME F420 DEPENDENT TETRAHYDROMETHANOPTERIN REDUCTASE FROM METHANOPYRUS KANDLERI===
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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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== References ==
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<!--
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<references/>
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The line below this paragraph, {{ABSTRACT_PUBMED_10891279}}, adds the Publication Abstract to the page
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__TOC__
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(as it appears on PubMed at http://www.pubmed.gov), where 10891279 is the PubMed ID number.
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</StructureSection>
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{{ABSTRACT_PUBMED_10891279}}
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==About this Structure==
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[[1ezw]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Methanopyrus_kandleri Methanopyrus kandleri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EZW OCA].
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==Reference==
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<ref group="xtra">PMID:010891279</ref><ref group="xtra">PMID:011742118</ref><references group="xtra"/>
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[[Category: Methanopyrus kandleri]]
[[Category: Methanopyrus kandleri]]
[[Category: Ermler, U.]]
[[Category: Ermler, U.]]

Revision as of 14:08, 28 September 2014

STRUCTURE OF COENZYME F420 DEPENDENT TETRAHYDROMETHANOPTERIN REDUCTASE FROM METHANOPYRUS KANDLERI

1ezw, resolution 1.65Å

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