4xyy

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'''Unreleased structure'''
 
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The entry 4xyy is ON HOLD until sometime in the future
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==Hen Egg-White Lysozyme (HEWL) complexed with Zr(IV)-substituted Keggin-type polyoxometalate==
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<StructureSection load='4xyy' size='340' side='right'caption='[[4xyy]], [[Resolution|resolution]] 1.38&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4xyy]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4XYY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4XYY FirstGlance]. <br>
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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]] 1.38&#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=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=EDN:ETHANE-1,2-DIAMINE'>EDN</scene></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=4xyy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4xyy OCA], [https://pdbe.org/4xyy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4xyy RCSB], [https://www.ebi.ac.uk/pdbsum/4xyy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4xyy ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/LYSC_CHICK LYSC_CHICK] Lysozymes have primarily a bacteriolytic function; those in tissues and body fluids are associated with the monocyte-macrophage system and enhance the activity of immunoagents. Has bacteriolytic activity against M.luteus.<ref>PMID:22044478</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Successful co-crystallization of a noncovalent complex between hen egg-white lysozyme (HEWL) and the monomeric ZrIV -substituted Keggin polyoxometalate (POM) (Zr1 K1), (Et2 NH2 )3 [Zr(PW11 O39 )] (1), has been achieved, and its single-crystal X-ray structure has been determined. The dimeric ZrIV -substituted Keggin-type polyoxometalate (Zr1 K2), (Et2 NH2 )10 [Zr(PW11 O39 )2 ] (2), has been previously shown to exhibit remarkable selectivity towards HEWL hydrolysis. The reported X-ray structure shows that the hydrolytically active ZrIV -substituted Keggin POM exists as a monomeric species. Prior to hydrolysis, this monomer interacts with HEWL in the vicinity of the previously identified cleavage sites found at Trp28-Val29 and Asn44-Arg45, through water-mediated H-bonding and electrostatic interactions. Three binding sites are observed at the interface of the negatively charged Keggin POM and the positively charged regions of HEWL at: 1) Gly16, Tyr20, and Arg21; 2) Asn44, Arg45, and Asn46; and 3) Arg128.
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Authors: De Zitter, E., Van Meervelt, L.
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Structural Characterization of the Complex between Hen Egg-White Lysozyme and Zr -Substituted Keggin Polyoxometalate as Artificial Protease.,Sap A, De Zitter E, Van Meervelt L, Parac-Vogt TN Chemistry. 2015 Jul 14. doi: 10.1002/chem.201501998. PMID:26179600<ref>PMID:26179600</ref>
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Description: Hen Egg-White Lysozyme (HEWL) complexed with Zr(IV)-substituted Keggin-type polyoxometalate
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Van Meervelt, L]]
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<div class="pdbe-citations 4xyy" style="background-color:#fffaf0;"></div>
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[[Category: De Zitter, E]]
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==See Also==
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*[[Lysozyme 3D structures|Lysozyme 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Gallus gallus]]
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[[Category: Large Structures]]
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[[Category: De Zitter E]]
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[[Category: Van Meervelt L]]

Current revision

Hen Egg-White Lysozyme (HEWL) complexed with Zr(IV)-substituted Keggin-type polyoxometalate

PDB ID 4xyy

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