3h18

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[[Image:3h18.png|left|200px]]
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==Crystal structure of EstE5-PMSF (II)==
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<StructureSection load='3h18' size='340' side='right' caption='[[3h18]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3h18]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Uncultured_bacterium Uncultured bacterium]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3H18 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3H18 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PMS:PHENYLMETHANESULFONIC+ACID'>PMS</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3fak|3fak]], [[3g9u|3g9u]], [[3g9v|3g9v]], [[3g9z|3g9z]], [[3h17|3h17]], [[3h19|3h19]], [[3h1a|3h1a]], [[3h1b|3h1b]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">estE5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=77133 uncultured bacterium])</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=3h18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3h18 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3h18 RCSB], [http://www.ebi.ac.uk/pdbsum/3h18 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/h1/3h18_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 esterase/lipase family (EC 3.1.1.3/EC 3.1.1.1) represents a diverse group of hydrolases that catalyze the cleavage of ester bonds and are widely distributed in animals, plants and microorganisms. Among these enzymes, hormone-sensitive lipases, play a critical role in the regulation of rodent fat cell lipolysis and are regarded as adipose tissue-specific enzymes. Recently, we reported the structural and biological characterization of EstE5 from the metagenome library [K.H. Nam, M.Y. Kim, S.J. Kim, A. Priyadarshi, W.H. Lee, K.Y. Hwang, Structural and functional analysis of a novel EstE5 belonging to the subfamily of hormone-sensitive lipase, Biochem. Biophys. Res. Commun. 379 (2009) 553-556]. The structure of this protein revealed that it belongs to the HSL-family. Here, we report the inhibition of the activity of the HSL-homolog EstE5 protein as determined by the use of esterase/lipase inhibitors. Our results revealed that the EstE5 protein is significantly inhibited by PMSF. In addition, this is the first study to identify the crystal structures of EstE5-PMSF at 2.4 and 2.5A among the HSL-homolog structures. This structural configuration is similar to that adopted when serine proteases are inhibited by PMSF. The results presented here provide valuable information regarding the properties of the HSL-family.
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{{STRUCTURE_3h18| PDB=3h18 | SCENE= }}
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The crystal structure of an HSL-homolog EstE5 complex with PMSF reveals a unique configuration that inhibits the nucleophile Ser144 in catalytic triads.,Nam KH, Kim SJ, Priyadarshi A, Kim HS, Hwang KY Biochem Biophys Res Commun. 2009 Nov 13;389(2):247-50. Epub 2009 Aug 26. PMID:19715665<ref>PMID:19715665</ref>
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===Crystal structure of EstE5-PMSF (II)===
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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_19715665}}
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==About this Structure==
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[[3h18]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Uncultured_bacterium Uncultured bacterium]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3H18 OCA].
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==See Also==
==See Also==
*[[Lipase|Lipase]]
*[[Lipase|Lipase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:019715665</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Uncultured bacterium]]
[[Category: Uncultured bacterium]]
[[Category: Hwang, K Y.]]
[[Category: Hwang, K Y.]]

Revision as of 13:36, 29 September 2014

Crystal structure of EstE5-PMSF (II)

3h18, resolution 2.40Å

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