2z6m

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{{Seed}}
 
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[[Image:2z6m.png|left|200px]]
 
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==Crystal structure of Human Ferritin H8 as biotemplate for noble metal nanoparticle synthesis==
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The line below this paragraph, containing "STRUCTURE_2z6m", creates the "Structure Box" on the page.
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<StructureSection load='2z6m' size='340' side='right'caption='[[2z6m]], [[Resolution|resolution]] 2.72&Aring;' 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'>[[2z6m]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Z6M OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2Z6M 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">X-ray diffraction, [[Resolution|Resolution]] 2.72&#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=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_2z6m| PDB=2z6m | SCENE= }}
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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=2z6m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2z6m OCA], [https://pdbe.org/2z6m PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2z6m RCSB], [https://www.ebi.ac.uk/pdbsum/2z6m PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2z6m ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/FRIH_HUMAN FRIH_HUMAN] Stores iron in a soluble, non-toxic, readily available form. Important for iron homeostasis. Has ferroxidase activity. Iron is taken up in the ferrous form and deposited as ferric hydroxides after oxidation. Also plays a role in delivery of iron to cells. Mediates iron uptake in capsule cells of the developing kidney (By similarity).
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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/z6/2z6m_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/main_output.php?pdb_ID=2z6m 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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Human H ferritin (HuHF) assembles from 24 four-helix bundles to form an approximately 500 kDa protein with an 8 nm internal cavity. HuHF provides a useful model for studying the transport of metal ions in solution to buried reaction sites in proteins. In this study, HuHF was redesigned to facilitate noble metal ion (Au(3+), Ag(+)) binding, reduction, and nanoparticle formation within the cavity. Computationally determined amino acid substitutions were targeted at four external and four internal surface sites. A variant with a total of 96 cysteines and histidines removed from the exterior surface and 96 non-native cysteines added to the interior surface retained wild-type stability and structure, as confirmed by X-ray crystallography, and promoted the formation of silver or gold nanoparticles within the protein cavity. Crystallographic studies with HuHF variants provide insight into how ferritins control access of metal ions to interior residues that perform chemistry.
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===Crystal structure of Human Ferritin H8 as biotemplate for noble metal nanoparticle synthesis===
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Directing noble metal ion chemistry within a designed ferritin protein.,Butts CA, Swift J, Kang SG, Di Costanzo L, Christianson DW, Saven JG, Dmochowski IJ Biochemistry. 2008 Dec 2;47(48):12729-39. PMID:18991401<ref>PMID:18991401</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 2z6m" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_18991401}}, adds the Publication Abstract to the page
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*[[Ferritin 3D structures|Ferritin 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 18991401 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_18991401}}
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__TOC__
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</StructureSection>
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==About this Structure==
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2Z6M is a 12 chains structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Z6M OCA].
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==Reference==
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<ref group="xtra">PMID:18991401</ref><references group="xtra"/>
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[[Category: Ferroxidase]]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Christianson, D W.]]
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[[Category: Large Structures]]
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[[Category: Costanzo, L Di.]]
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[[Category: Christianson DW]]
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[[Category: Biotemplate]]
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[[Category: Di Costanzo L]]
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[[Category: Iron]]
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[[Category: Iron storage]]
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[[Category: Metal-binding]]
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[[Category: Oxidoreductase]]
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[[Category: Phosphorylation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Sep 9 08:42:02 2009''
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Current revision

Crystal structure of Human Ferritin H8 as biotemplate for noble metal nanoparticle synthesis

PDB ID 2z6m

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