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3qe3

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{{STRUCTURE_3qe3| PDB=3qe3 | SCENE= }}
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==Sheep liver sorbitol dehydrogenase==
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===Sheep liver sorbitol dehydrogenase===
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<StructureSection load='3qe3' size='340' side='right' caption='[[3qe3]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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{{ABSTRACT_PUBMED_21543846}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3qe3]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Ovis_aries Ovis aries]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QE3 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3QE3 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACY:ACETIC+ACID'>ACY</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SORD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9940 Ovis aries])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/L-iditol_2-dehydrogenase L-iditol 2-dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.1.1.14 1.1.1.14] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3qe3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qe3 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3qe3 RCSB], [http://www.ebi.ac.uk/pdbsum/3qe3 PDBsum]</span></td></tr>
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</table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The X-ray crystal structure of sheep liver sorbitol dehydrogenase (slSDH) has been determined using the crystal structure of human sorbitol dehydrogenase (hSDH) as a molecular-replacement model. slSDH crystallized in space group I222 with one monomer in the asymmetric unit. A conserved tetramer that superposes well with that seen in hSDH (despite belonging to a different space group) and obeying the 222 crystal symmetry is seen in slSDH. An acetate molecule is bound in the active site, coordinating to the active-site zinc through a water molecule. Glycerol, a substrate of slSDH, also occupies the substrate-binding pocket together with the acetate designed by nature to fit large polyol substrates. The substrate-binding pocket is seen to be in close proximity to the tetramer interface, which explains the need for the structural integrity of the tetramer for enzyme activity. Small-angle X-ray scattering was also used to identify the quaternary structure of the tetramer of slSDH in solution.
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==Function==
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X-ray crystal structure and small-angle X-ray scattering of sheep liver sorbitol dehydrogenase.,Yennawar H, Moller M, Gillilan R, Yennawar N Acta Crystallogr D Biol Crystallogr. 2011 May;67(Pt 5):440-6. Epub 2011 Apr 13. PMID:21543846<ref>PMID:21543846</ref>
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[[http://www.uniprot.org/uniprot/DHSO_SHEEP DHSO_SHEEP]] Converts sorbitol to fructose. Part of the polyol pathway that plays an important role in sperm physiology. May play a role in the sperm motility by providing an energetic source for sperm (By similarity).
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[3qe3]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Ovis_aries Ovis aries]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QE3 OCA].
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</div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: L-iditol 2-dehydrogenase]]
[[Category: L-iditol 2-dehydrogenase]]
[[Category: Ovis aries]]
[[Category: Ovis aries]]
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[[Category: Yennawar, H P.]]
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[[Category: Yennawar, H P]]
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[[Category: Yennawar, N H.]]
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[[Category: Yennawar, N H]]
[[Category: Medium chain dehydrogenase/reductase enzyme]]
[[Category: Medium chain dehydrogenase/reductase enzyme]]
[[Category: Oxidoreductase]]
[[Category: Oxidoreductase]]

Revision as of 10:29, 19 December 2014

Sheep liver sorbitol dehydrogenase

3qe3, resolution 1.90Å

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