2gh4

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{{Seed}}
 
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[[Image:2gh4.png|left|200px]]
 
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==YteR/D143N/dGalA-Rha==
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The line below this paragraph, containing "STRUCTURE_2gh4", creates the "Structure Box" on the page.
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<StructureSection load='2gh4' size='340' side='right'caption='[[2gh4]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2gh4]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GH4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GH4 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GAD:2,6-ANHYDRO-3-DEOXY-D-ERYTHRO-HEX-2-ENONIC+ACID'>GAD</scene>, <scene name='pdbligand=RAM:ALPHA-L-RHAMNOSE'>RAM</scene></td></tr>
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{{STRUCTURE_2gh4| PDB=2gh4 | SCENE= }}
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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=2gh4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gh4 OCA], [https://pdbe.org/2gh4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2gh4 RCSB], [https://www.ebi.ac.uk/pdbsum/2gh4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2gh4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/URHG2_BACSU URHG2_BACSU] Catalyzes the hydrolysis of unsaturated rhamnogalacturonan disaccharide to yield unsaturated D-galacturonic acid and L-rhamnose. It cannot act on unsaturated glucuronyl hydrolase (UGL) substrates containing unsaturated D-glucuronic acid at the non-reducing terminus, although the active pockets of YesR and UGL are very similar.<ref>PMID:16781735</ref>
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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/gh/2gh4_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/main_output.php?pdb_ID=2gh4 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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Bacillus subtilis strain 168 YteR has been identified as a novel enzyme "unsaturated rhamnogalacturonyl hydrolase" classified in glycoside hydrolase family 105. This enzyme acts specifically on unsaturated rhamnogalacturonan (RG) produced from plant cell wall RG type-I treated with RG lyases, releasing unsaturated galacturonic acid (DeltaGalA) from the substrate. The most likely candidate catalytic residue is Asp-143. Here, we show the structure of D143N in complex with unsaturated RG disaccharide (substrate) determined at 1.9A resolution by X-ray crystallography. This structural feature directly contributes to the postulation of the enzyme reaction mechanism. YteR triggers the hydration of vinyl ether group in DeltaGalA, but not of glycoside bond, by using Asp-143 as a general acid and base catalyst. Asp-143 donates proton to the double bond of DeltaGalA as an acid catalyst and also deprotonates a water molecule as a base catalyst. Deprotonated water molecule attacks the C5 atom of DeltaGalA.
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===YteR/D143N/dGalA-Rha===
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Structure of unsaturated rhamnogalacturonyl hydrolase complexed with substrate.,Itoh T, Ochiai A, Mikami B, Hashimoto W, Murata K Biochem Biophys Res Commun. 2006 Sep 8;347(4):1021-9. Epub 2006 Jul 17. PMID:16870154<ref>PMID:16870154</ref>
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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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The line below this paragraph, {{ABSTRACT_PUBMED_16870154}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2gh4" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16870154 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16870154}}
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__TOC__
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</StructureSection>
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==About this Structure==
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2GH4 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GH4 OCA].
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==Reference==
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Structure of unsaturated rhamnogalacturonyl hydrolase complexed with substrate., Itoh T, Ochiai A, Mikami B, Hashimoto W, Murata K, Biochem Biophys Res Commun. 2006 Sep 8;347(4):1021-9. Epub 2006 Jul 17. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16870154 16870154]
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[[Category: Bacillus subtilis]]
[[Category: Bacillus subtilis]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Hashimoto, W.]]
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[[Category: Hashimoto W]]
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[[Category: Itoh, T.]]
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[[Category: Itoh T]]
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[[Category: Mikami, B.]]
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[[Category: Mikami B]]
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[[Category: Murata, K.]]
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[[Category: Murata K]]
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[[Category: Ochiai, A.]]
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[[Category: Ochiai A]]
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[[Category: Alpha / alpha barrel]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 23:12:37 2008''
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Current revision

YteR/D143N/dGalA-Rha

PDB ID 2gh4

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