8cgt

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{{Seed}}
 
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[[Image:8cgt.png|left|200px]]
 
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==STRUCTURE OF CYCLODEXTRIN GLYCOSYLTRANSFERASE COMPLEXED WITH A THIO-MALTOHEXAOSE==
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The line below this paragraph, containing "STRUCTURE_8cgt", creates the "Structure Box" on the page.
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<StructureSection load='8cgt' size='340' side='right'caption='[[8cgt]], [[Resolution|resolution]] 2.40&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'>[[8cgt]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Niallia_circulans Niallia circulans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8CGT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8CGT 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]] 2.4&#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=4SG:(2S,3R,4R,5S,6R)-6-(hydroxymethyl)-5-sulfanyl-oxane-2,3,4-triol'>4SG</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=PRD_900101:thio-maltohexaose'>PRD_900101</scene></td></tr>
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{{STRUCTURE_8cgt| PDB=8cgt | 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=8cgt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8cgt OCA], [https://pdbe.org/8cgt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8cgt RCSB], [https://www.ebi.ac.uk/pdbsum/8cgt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8cgt ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CDGT1_NIACI CDGT1_NIACI]
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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/cg/8cgt_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=8cgt 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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Bacterial cyclodextrin glycosyltransferases use starch to produce cyclic maltooligosaccharides (cyclodextrins) which are of interest in various applications. The cyclization reaction gives rise to a spectrum of ring sizes consisting of predominantly six to eight glucosyl units. Using the enzyme from Bacillus circulans strain no. 8, binding studies have been performed with several substrates and analogues. The observed binding modes differ in detail, but agree in general with data on homologous enzymes. Based on these binding studies, two mutations were designed that changed the production spectrum from the predominant product beta-cyclodextrin of the wild-type enzyme towards gamma-cyclodextrin, which is of practical interest because it is rare and can encapsulate larger nonpolar compounds.
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===STRUCTURE OF CYCLODEXTRIN GLYCOSYLTRANSFERASE COMPLEXED WITH A THIO-MALTOHEXAOSE===
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Substrate binding to a cyclodextrin glycosyltransferase and mutations increasing the gamma-cyclodextrin production.,Parsiegla G, Schmidt AK, Schulz GE Eur J Biochem. 1998 Aug 1;255(3):710-7. PMID:9738912<ref>PMID:9738912</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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<div class="pdbe-citations 8cgt" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_9738912}}, adds the Publication Abstract to the page
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*[[Glycosyltransferase 3D structures|Glycosyltransferase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 9738912 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_9738912}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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8CGT is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Bacillus_circulans Bacillus circulans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8CGT OCA].
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[[Category: Niallia circulans]]
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[[Category: Schmidt AK]]
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==Reference==
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[[Category: Schulz GE]]
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<ref group="xtra">PMID:9738912</ref><references group="xtra"/>
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[[Category: Bacillus circulans]]
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[[Category: Cyclomaltodextrin glucanotransferase]]
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[[Category: Schmidt, A K.]]
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[[Category: Schulz, G E.]]
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[[Category: Cyclodextrin]]
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[[Category: Glycosyltransferase]]
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[[Category: Starch degradation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 00:36:47 2009''
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Current revision

STRUCTURE OF CYCLODEXTRIN GLYCOSYLTRANSFERASE COMPLEXED WITH A THIO-MALTOHEXAOSE

PDB ID 8cgt

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