3la0: Difference between revisions

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[[Image:3la0.png|left|200px]]


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==Crystal Structure of UreE from Helicobacter pylori (metal of unknown identity bound)==
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<StructureSection load='3la0' size='340' side='right'caption='[[3la0]], [[Resolution|resolution]] 2.86&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3la0]] is a 4 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=3LA0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LA0 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]] 2.86&#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=UNX:UNKNOWN+ATOM+OR+ION'>UNX</scene></td></tr>
{{STRUCTURE_3la0|  PDB=3la0  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3la0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3la0 OCA], [https://pdbe.org/3la0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3la0 RCSB], [https://www.ebi.ac.uk/pdbsum/3la0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3la0 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/UREE_HELPY UREE_HELPY] Involved in urease metallocenter assembly. Binds nickel. Probably functions as a nickel donor during metallocenter assembly (By similarity).
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/la/3la0_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=3la0 ConSurf].
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== Publication Abstract from PubMed ==
The crystal structure of the urease maturation protein UreE from Helicobacter pylori has been determined in its apo form at 2.1 A resolution, bound to Cu(2+) at 2.7 A resolution, and bound to Ni(2+) at 3.1 A resolution. Apo UreE forms dimers, while the metal-bound enzymes are arranged as tetramers that consist of a dimer of dimers associated around the metal ion through coordination by His102 residues from each subunit of the tetramer. Comparison of independent subunits from different crystal forms indicates changes in the relative arrangement of the N- and C-terminal domains in response to metal binding. The improved ability of engineered versions of UreE containing hexahistidine sequences at either the N-terminal or C-terminal end to provide Ni(2+) for the final metal sink (urease) is eliminated in the H102A version. Therefore, the ability of the improved Ni(2+)-binding versions to deliver more nickel is likely an effect of an increased local concentration of metal ions that can rapidly replenish transferred ions bound to His102.


===Crystal Structure of UreE from Helicobacter pylori (metal of unknown identity bound)===
Crystal Structures of Apo and Metal-Bound Forms of the UreE Protein from Helicobacter pylori: Role of Multiple Metal Binding Sites .,Shi R, Munger C, Asinas A, Benoit SL, Miller E, Matte A, Maier RJ, Cygler M Biochemistry. 2010 Aug 24;49(33):7080-8. PMID:20681615<ref>PMID:20681615</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<div class="pdbe-citations 3la0" style="background-color:#fffaf0;"></div>


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==See Also==
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*[[Urease accessory protein|Urease accessory protein]]
(as it appears on PubMed at http://www.pubmed.gov), where 20681615 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_20681615}}
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</StructureSection>
==About this Structure==
3LA0 is a 4 chains structure with sequences from [http://en.wikipedia.org/wiki/Helicobacter_pylori Helicobacter pylori]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LA0 OCA].
 
==Reference==
<ref group="xtra">PMID:20681615</ref><references group="xtra"/>
[[Category: Helicobacter pylori]]
[[Category: Helicobacter pylori]]
[[Category: Assinas, A.]]
[[Category: Large Structures]]
[[Category: BSGI, Montreal-Kingston Bacterial Structural Genomics Initiative.]]
[[Category: Assinas A]]
[[Category: Cygler, M.]]
[[Category: Cygler M]]
[[Category: Matte, A.]]
[[Category: Matte A]]
[[Category: Munger, C.]]
[[Category: Munger C]]
[[Category: Shi, R.]]
[[Category: Shi R]]
[[Category: Bsgi]]
[[Category: Chaperone]]
[[Category: Metal binding protein]]
[[Category: Montreal-kingston bacterial structural genomics initiative]]
[[Category: Nickel]]
[[Category: Nickel insertion]]
[[Category: Structural genomic]]
[[Category: Uree in metal-bound form]]
[[Category: Virulence]]
 
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