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'''Unreleased structure'''


The entry 4evb is ON HOLD
==Crystal Structure HP-NAP from strain YS39 zinc soaked (20mM)==
<StructureSection load='4evb' size='340' side='right'caption='[[4evb]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4evb]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Helicobacter_pylori Helicobacter pylori]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EVB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EVB FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.5&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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'>[https://proteopedia.org/fgij/fg.htm?mol=4evb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4evb OCA], [https://pdbe.org/4evb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4evb RCSB], [https://www.ebi.ac.uk/pdbsum/4evb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4evb ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/G1UIZ3_HELPX G1UIZ3_HELPX]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Helicobacter pylori neutrophil-activating protein (HP-NAP) is a Dps-like iron storage protein forming a dodecameric shell, and promotes adhesion of neutrophils to endothelial cells. The crystal structure of HP-NAP in a Zn(2+)- or Cd(2+)-bound form reveals the binding of two zinc or two cadmium ions and their bridged water molecule at the ferroxidase center (FOC). The two zinc ions are coordinated in a tetrahedral manner to the conserved residues among HP-NAP and Dps proteins. The two cadmium ions are coordinated in a trigonal-bipyramidal and distorted octahedral manner. In both structures, the second ion is more weakly coordinated than the first. Another zinc ion is found inside of the negatively-charged threefold-related pore, which is suitable for metal ions to pass through.


Authors: Yokoyama, H., Tsuruta, O., Akao, N., Fujii, S.
Crystal structure of Helicobacter pylori neutrophil-activating protein with a di-nuclear ferroxidase center in a zinc or cadmium-bound form.,Yokoyama H, Tsuruta O, Akao N, Fujii S Biochem Biophys Res Commun. 2012 Jun 15;422(4):745-50. Epub 2012 May 19. PMID:22618234<ref>PMID:22618234</ref>


Description: Crystal Structure HP-NAP from strain YS39 zinc soaked (20mM)
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4evb" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Helicobacter pylori]]
[[Category: Large Structures]]
[[Category: Akao N]]
[[Category: Fujii S]]
[[Category: Tsuruta O]]
[[Category: Yokoyama H]]
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