2hnk

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[[Image:2hnk.png|left|200px]]
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==Crystal structure of SAM-dependent O-methyltransferase from pathogenic bacterium Leptospira interrogans==
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<StructureSection load='2hnk' size='340' side='right' caption='[[2hnk]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2hnk]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Leptospira_interrogans Leptospira interrogans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HNK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HNK FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PEG:DI(HYDROXYETHYL)ETHER'>PEG</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>
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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=2hnk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hnk OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2hnk RCSB], [http://www.ebi.ac.uk/pdbsum/2hnk 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/hn/2hnk_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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The S-adenosylmethionine (SAM)-dependent O-methyltransferase from Leptospira interrogans (LiOMT) expressed by gene LA0415 belongs to the Methyltransf_3 family (Pfam PF01596). In this family all of the five bacterial homologues with known function are reported as SAM-dependent O-methylstransferases involved in antibiotic production. The crystal structure of LiOMT in complex with S-adenosylhomocysteine reported here is the first bacterial protein structure in this family. The LiOMT structure shows a conserved SAM-binding region and a probable metal-dependent catalytic site. The molecules of LiOMT generate homodimers by N-terminal swapping, which assists the pre-organization of the substrate-binding site. Based on the sequence and structural analysis, it is implied by the catalytic and substrate-binding site that the substrate of LiOMT is a phenolic derivative, which probably has a large ring-shaped moiety.
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{{STRUCTURE_2hnk| PDB=2hnk | SCENE= }}
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Crystal structure of SAM-dependent O-methyltransferase from pathogenic bacterium Leptospira interrogans.,Hou X, Wang Y, Zhou Z, Bao S, Lin Y, Gong W J Struct Biol. 2007 Sep;159(3):523-8. Epub 2007 Apr 30. PMID:17561415<ref>PMID:17561415</ref>
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===Crystal structure of SAM-dependent O-methyltransferase from pathogenic bacterium Leptospira interrogans===
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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_17561415}}
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==About this Structure==
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[[2hnk]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Leptospira_interrogans Leptospira interrogans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HNK OCA].
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==See Also==
==See Also==
*[[SAM-dependent methyltransferase|SAM-dependent methyltransferase]]
*[[SAM-dependent methyltransferase|SAM-dependent methyltransferase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:017561415</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Leptospira interrogans]]
[[Category: Leptospira interrogans]]
[[Category: Gong, W.]]
[[Category: Gong, W.]]

Revision as of 04:39, 29 September 2014

Crystal structure of SAM-dependent O-methyltransferase from pathogenic bacterium Leptospira interrogans

2hnk, resolution 2.30Å

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