1kum

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{{Seed}}
 
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[[Image:1kum.png|left|200px]]
 
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==GLUCOAMYLASE, GRANULAR STARCH-BINDING DOMAIN, NMR, MINIMIZED AVERAGE STRUCTURE==
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The line below this paragraph, containing "STRUCTURE_1kum", creates the "Structure Box" on the page.
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<StructureSection load='1kum' size='340' side='right'caption='[[1kum]]' 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'>[[1kum]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Aspergillus_niger Aspergillus niger]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KUM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KUM 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">Solution NMR, 1 model</td></tr>
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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=1kum FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kum OCA], [https://pdbe.org/1kum PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kum RCSB], [https://www.ebi.ac.uk/pdbsum/1kum PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kum ProSAT]</span></td></tr>
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{{STRUCTURE_1kum| PDB=1kum | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/AMYG_ASPNG AMYG_ASPNG]
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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/ku/1kum_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=1kum 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 solution structure of the granular starch binding domain (SBD) of glucoamylase 1 from Aspergillus niger has been determined by heteronuclear multidimensional nuclear magnetic resonance spectroscopy and simulated annealing. A total of 1092 nuclear Overhauser enhancement-derived 1H-1H distance constraints, 137 dihedral constraints and 86 hydrogen bond constraints were incorporated into an X-PLOR simulated annealing and refinement protocol. The family of calculated structures shows a well defined beta-sheet structure consisting of one parallel and six antiparallel pairs of beta-strands which forms an open-sided beta-barrel. The root-mean-square deviation (rmsd) of 53 individual structures to the calculated average structure for the backbone atoms of residues excluding the N terminus and two mobile loops is 0.57(+/-0.10) A while the rmsd for backbone atoms in beta-strands is 0.45(+/-0.08) A. Structural features of the SBD in solution are compared to the X-ray crystal structure of a homologous domain of cyclodextrin glycosyltransferase (CGTase) in the free and bound forms. Titration studies with two ligands, maltoheptaose and beta-cyclodextrin, show the existence of two binding sites. Examination of the tertiary structures shows these two sites to be at one end of the molecule on opposite faces. The majority of residues showing the largest 1H and 15N chemical shift changes are located in loop regions. Many residues implicated in binding, based on these changes, are similar in location to previously identified binding site residues in the crystal structures of CGTase. Overall, the shift changes are small indicating that the SBD does not undergo large conformational changes upon ligand binding.
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===GLUCOAMYLASE, GRANULAR STARCH-BINDING DOMAIN, NMR, MINIMIZED AVERAGE STRUCTURE===
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Solution structure of the granular starch binding domain of glucoamylase from Aspergillus niger by nuclear magnetic resonance spectroscopy.,Sorimachi K, Jacks AJ, Le Gal-Coeffet MF, Williamson G, Archer DB, Williamson MP J Mol Biol. 1996 Jun 28;259(5):970-87. PMID:8683599<ref>PMID:8683599</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 1kum" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_8683599}}, adds the Publication Abstract to the page
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*[[Alpha-glucosidase 3D structures|Alpha-glucosidase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 8683599 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_8683599}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1KUM is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Aspergillus_niger Aspergillus niger]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KUM OCA].
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==Reference==
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<ref group="xtra">PMID:8683599</ref><references group="xtra"/>
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[[Category: Aspergillus niger]]
[[Category: Aspergillus niger]]
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[[Category: Glucan 1,4-alpha-glucosidase]]
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[[Category: Large Structures]]
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[[Category: Archer, D B.]]
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[[Category: Archer DB]]
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[[Category: Gal-Coeffet, M F.Le.]]
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[[Category: Jacks AJ]]
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[[Category: Jacks, A J.]]
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[[Category: Le Gal-Coeffet M-F]]
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[[Category: Sorimachi, K.]]
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[[Category: Sorimachi K]]
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[[Category: Williamson, G.]]
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[[Category: Williamson G]]
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[[Category: Williamson, M P.]]
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[[Category: Williamson MP]]
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[[Category: Hydrolase]]
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[[Category: Starch binding domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Feb 18 07:39:34 2009''
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Current revision

GLUCOAMYLASE, GRANULAR STARCH-BINDING DOMAIN, NMR, MINIMIZED AVERAGE STRUCTURE

PDB ID 1kum

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