1sfb

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[[Image:1sfb.png|left|200px]]
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==BINDING OF PENTA-N-ACETYLCHITOPENTAOSE TO HEW LYSOZYME: A POWDER DIFFRACTION STUDY==
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<StructureSection load='1sfb' size='340' side='right' caption='[[1sfb]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1sfb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SFB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1SFB FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ja7|1ja7]], [[1sf4|1sf4]], [[1sf6|1sf6]], [[1sf7|1sf7]], [[1sfg|1sfg]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] </span></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=1sfb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sfb OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1sfb RCSB], [http://www.ebi.ac.uk/pdbsum/1sfb 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/sf/1sfb_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 binding of N-acetylglucosamine oligosaccharides (NAGn, n = 2-6) to hen egg-white lysozyme (HEWL; EC 3.2.1.17) was investigated by X-ray powder diffraction at room temperature. Each NAGn examined was found to bind to lysozyme in rapid-precipitation preparations in 1.0 M NaCl pH 6.0 buffer. The location of each NAGn was easily found from difference Fourier maps generated from structure factors extracted during preliminary Rietveld refinements. Full NAGn-protein structures were subjected to combined Rietveld and stereochemical restraint refinements (Rwp = 2.28-2.59%; Rp = 1.81-2.04%; RF2 = 3.91-5.80%) and revealed binding modes for NAGn that depended on the length of the NAG oligosaccharide. The NAG2 ligand was found in the BC sites in the cleft of HEWL, NAG3 was found to bind in both the ABC and BCD sites in the ratio 35:65 and NAG4 and NAG5 bound to the ABCD and ABCDE sites, respectively, while NAG6 only bound to sites ABCDE, leaving the F site empty with the remaining saccharide ring located in a solvent region adjacent to the A site. All protein powder diffraction patterns in this study consisted of extremely sharp Bragg peaks consistent with approximately 1 microm crystallites that were devoid of line-broadening defects. Details of the stereochemical restraints used in these refinements and their impact on structural validation are also discussed.
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{{STRUCTURE_1sfb| PDB=1sfb | SCENE= }}
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Binding of N-acetylglucosamine oligosaccharides to hen egg-white lysozyme: a powder diffraction study.,Von Dreele RB Acta Crystallogr D Biol Crystallogr. 2005 Jan;61(Pt 1):22-32. Epub 2004, Dec 17. PMID:15608372<ref>PMID:15608372</ref>
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===BINDING OF PENTA-N-ACETYLCHITOPENTAOSE TO HEW LYSOZYME: A POWDER DIFFRACTION STUDY===
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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_15608372}}
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==About this Structure==
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[[1sfb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SFB OCA].
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==See Also==
==See Also==
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*[[Hen Egg-White (HEW) Lysozyme|Hen Egg-White (HEW) Lysozyme]]
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*[[Lysozyme 3D structures|Lysozyme 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:015608372</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
[[Category: Lysozyme]]
[[Category: Lysozyme]]

Revision as of 22:45, 28 September 2014

BINDING OF PENTA-N-ACETYLCHITOPENTAOSE TO HEW LYSOZYME: A POWDER DIFFRACTION STUDY

1sfb

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