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[[Image:2v78.jpg|left|200px]]<br /><applet load="2v78" size="350" color="white" frame="true" align="right" spinBox="true"
caption="2v78, resolution 2.00&Aring;" />
'''CRYSTAL STRUCTURE OF SULFOLOBUS SOLFATARICUS 2-KETO-3-DEOXYGLUCONATE KINASE'''<br />


==About this Structure==
==Crystal structure of Sulfolobus solfataricus 2-keto-3-deoxygluconate kinase==
2V78 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Sulfolobus_solfataricus Sulfolobus solfataricus]. Active as [http://en.wikipedia.org/wiki/Fructokinase Fructokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.4 2.7.1.4] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2V78 OCA].
<StructureSection load='2v78' size='340' side='right'caption='[[2v78]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
[[Category: Fructokinase]]
== Structural highlights ==
[[Category: Single protein]]
<table><tr><td colspan='2'>[[2v78]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharolobus_solfataricus Saccharolobus solfataricus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2V78 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2V78 FirstGlance]. <br>
[[Category: Sulfolobus solfataricus]]
</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&#8491;</td></tr>
[[Category: Bull, S D.]]
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2v78 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2v78 OCA], [https://pdbe.org/2v78 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2v78 RCSB], [https://www.ebi.ac.uk/pdbsum/2v78 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2v78 ProSAT]</span></td></tr>
[[Category: Danson, M J.]]
</table>
[[Category: Hough, D W.]]
== Function ==
[[Category: Kerou, M.]]
[https://www.uniprot.org/uniprot/KDGK_SACS2 KDGK_SACS2] Involved in the degradation of glucose and galactose via the semi-phosphorylative Entner-Doudoroff pathway. Catalyzes the phosphorylation of 2-keto-3-deoxygluconate (KDG) and 2-keto-3-deoxygalactonate (KDGal) to produce 2-keto-3-deoxy-6-phosphogluconate (KDPG) and 2-keto-3-deoxy-6-phosphogalactonate (KDPGal), respectively.<ref>PMID:15869466</ref> <ref>PMID:16330030</ref> <ref>PMID:16794308</ref>
[[Category: Lamble, H J.]]
== Evolutionary Conservation ==
[[Category: Potter, J A.]]
[[Image:Consurf_key_small.gif|200px|right]]
[[Category: Taylor, G L.]]
Check<jmol>
[[Category: Theodossis, A.]]
  <jmolCheckbox>
[[Category: 2- keto-3-deoxygluconate kinase]]
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/v7/2v78_consurf.spt"</scriptWhenChecked>
[[Category: kinase]]
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
[[Category: pfkb family carbohydrate kinase]]
    <text>to colour the structure by Evolutionary Conservation</text>
[[Category: transferase]]
  </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=2v78 ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The hyperthermophilic archaeon Sulfolobus solfataricus grows optimally above 353 K and utilizes an unusual promiscuous nonphosphorylative Entner-Doudoroff pathway to metabolize both glucose and galactose. It has been proposed that a part-phosphorylative Entner-Doudoroff pathway occurs in parallel in S. solfataricus, in which the 2-keto-3-deoxygluconate kinase (KDGK) is promiscuous for both glucose and galactose metabolism. Recombinant S. solfataricus KDGK protein was expressed in Escherichia coli, purified and crystallized in 0.1 M sodium acetate pH 4.1 and 1.4 M NaCl. The crystal structure of apo S. solfataricus KDGK was solved by molecular replacement to a resolution of 2.0 A and a ternary complex with 2-keto-3-deoxygluconate (KDGlu) and an ATP analogue was resolved at 2.1 A. The complex suggests that the structural basis for the enzyme's ability to phosphorylate KDGlu and 2-keto-3-deoxygalactonate (KDGal) is derived from a subtle repositioning of residues that are conserved in homologous nonpromiscuous kinases.


''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 18:53:39 2008''
The structure of Sulfolobus solfataricus 2-keto-3-deoxygluconate kinase.,Potter JA, Kerou M, Lamble HJ, Bull SD, Hough DW, Danson MJ, Taylor GL Acta Crystallogr D Biol Crystallogr. 2008 Dec;64(Pt 12):1283-7. Epub 2008, Nov 18. PMID:19018105<ref>PMID:19018105</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2v78" style="background-color:#fffaf0;"></div>
 
==See Also==
*[[Fructokinase|Fructokinase]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Saccharolobus solfataricus]]
[[Category: Bull SD]]
[[Category: Danson MJ]]
[[Category: Hough DW]]
[[Category: Kerou M]]
[[Category: Lamble HJ]]
[[Category: Potter JA]]
[[Category: Taylor GL]]
[[Category: Theodossis A]]
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