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'''Unreleased structure'''


The entry 6reg is ON HOLD
==Crystal structure of Pizza6-S with Zn2+==
<StructureSection load='6reg' size='340' side='right'caption='[[6reg]], [[Resolution|resolution]] 1.30&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[6reg]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6REG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6REG FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6reg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6reg OCA], [http://pdbe.org/6reg PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6reg RCSB], [http://www.ebi.ac.uk/pdbsum/6reg PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6reg ProSAT]</span></td></tr>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
We developed an artificial hydrolase based on the symmetrical Pizza6 beta-propeller protein for the metal-free hydrolysis of 4-nitrophenyl acetate and butyrate. Through site-specific mutagenesis and crystallisation studies, the catalytic mechanism was investigated and found to be dependent on a threonine-histidine dyad. The mutant with additional histidine residues generated the highest kcat values, forming a His-His-Thr triad and matched previously reported metalloenzymes. The highly symmetrical beta-propeller artificial enzymes and their protein-metal complexes have potential to be utilised in bioinorganic and supramolecular chemistry, as well as being developed further into 2D/3D catalytic materials.


Authors: Noguchi, H., Clarke, D.E., Gryspeerdt, J.L., Feyter, S.D., Voet, A.R.D.
Artificial beta-propeller protein-based hydrolases.,Clarke DE, Noguchi H, Gryspeerdt JAG, De Feyter S, Voet ARD Chem Commun (Camb). 2019 Jul 23;55(60):8880-8883. doi: 10.1039/c9cc04388h. PMID:31321399<ref>PMID:31321399</ref>


Description: Crystal structure of Pizza6-S with Zn2+
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
[[Category: Unreleased Structures]]
</div>
<div class="pdbe-citations 6reg" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Clarke, D E]]
[[Category: Feyter, S D]]
[[Category: Gryspeerdt, J L]]
[[Category: Noguchi, H]]
[[Category: Noguchi, H]]
[[Category: Clarke, D.E]]
[[Category: Voet, A R.D]]
[[Category: Voet, A.R.D]]
[[Category: Artificial beta-propeller protein]]
[[Category: Gryspeerdt, J.L]]
[[Category: Computational design]]
[[Category: Feyter, S.D]]
[[Category: De novo protein]]
[[Category: Metalloprotein]]
[[Category: Pizza]]
[[Category: Zinc]]
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