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


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==Crystal structure of Leishmania mexicana pyruvate kinase (LmPYK)in complex with 1,3,6,8-pyrenetetrasulfonic acid==
The line below this paragraph, containing "STRUCTURE_3ktx", creates the "Structure Box" on the page.
<StructureSection load='3ktx' size='340' side='right'caption='[[3ktx]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[3ktx]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Leishmania_mexicana Leishmania mexicana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KTX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3KTX FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PTK:PYRENE-1,3,6,8-TETRASULFONIC+ACID'>PTK</scene></td></tr>
{{STRUCTURE_3ktx|  PDB=3ktx  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3ktx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ktx OCA], [https://pdbe.org/3ktx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ktx RCSB], [https://www.ebi.ac.uk/pdbsum/3ktx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ktx ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/KPYK_LEIME KPYK_LEIME]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kt/3ktx_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=3ktx ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The inclusion of novel small molecules in crystallization experiments has provided very encouraging results and this method is now emerging as a promising alternative strategy for crystallizing 'problematic' biological macromolecules. These small molecules have the ability to promote lattice formation through stabilizing intermolecular interactions in protein crystals. Here, the use of 1,3,6,8-pyrenetetrasulfonic acid (PTS), which provides a helpful intermolecular bridge between Leishmania mexicana PYK (LmPYK) macromolecules in the crystal, is reported, resulting in the rapid formation of a more stable crystal lattice at neutral pH and greatly improved X-ray diffraction results. The refined structure of the LmPYK-PTS complex revealed the negatively charged PTS molecule to be stacked between positively charged (surface-exposed) arginine side chains from neighbouring LmPYK molecules in the crystal lattice.


===Crystal structure of Leishmania mexicana pyruvate kinase (LmPYK)in complex with 1,3,6,8-pyrenetetrasulfonic acid===
An improved strategy for the crystallization of Leishmania mexicana pyruvate kinase.,Morgan HP, McNae IW, Hsin KY, Michels PA, Fothergill-Gilmore LA, Walkinshaw MD Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Mar 1;66(Pt, 3):215-8. Epub 2010 Feb 23. PMID:20208146<ref>PMID:20208146</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
The line below this paragraph, {{ABSTRACT_PUBMED_20208146}}, adds the Publication Abstract to the page
<div class="pdbe-citations 3ktx" style="background-color:#fffaf0;"></div>
(as it appears on PubMed at http://www.pubmed.gov), where 20208146 is the PubMed ID number.
-->
{{ABSTRACT_PUBMED_20208146}}
 
==About this Structure==
[[3ktx]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Leishmania_mexicana Leishmania mexicana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KTX OCA].


==See Also==
==See Also==
*[[Pyruvate Kinase]]
*[[Pyruvate kinase 3D structures|Pyruvate kinase 3D structures]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:020208146</ref><references group="xtra"/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Leishmania mexicana]]
[[Category: Leishmania mexicana]]
[[Category: Pyruvate kinase]]
[[Category: Morgan HP]]
[[Category: Morgan, H P.]]
[[Category: Walkinshaw MD]]
[[Category: Walkinshaw, M D.]]
[[Category: Allosteric enzyme]]
[[Category: Atp-binding]]
[[Category: Glycolysis]]
[[Category: Kinase]]
[[Category: Magnesium]]
[[Category: Metal-binding]]
[[Category: Nucleotide-binding]]
[[Category: Pyruvate]]
[[Category: Transferase]]

Latest revision as of 08:23, 6 September 2023

Crystal structure of Leishmania mexicana pyruvate kinase (LmPYK)in complex with 1,3,6,8-pyrenetetrasulfonic acid

3ktx, resolution 2.10Å

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