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==Crystal structure of dehydrosqualene synthase (Crtm) from S. aureus complexed with quinuclidine BPH-651 in the S1 site==
==Crystal structure of dehydrosqualene synthase (Crtm) from S. aureus complexed with quinuclidine BPH-651 in the S1 site==
<StructureSection load='4e9z' size='340' side='right' caption='[[4e9z]], [[Resolution|resolution]] 2.06&Aring;' scene=''>
<StructureSection load='4e9z' size='340' side='right'caption='[[4e9z]], [[Resolution|resolution]] 2.06&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4e9z]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4E9Z OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4E9Z FirstGlance]. <br>
<table><tr><td colspan='2'>[[4e9z]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4E9Z OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4E9Z FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=651:(3R)-3-BIPHENYL-4-YL-1-AZABICYCLO[2.2.2]OCTAN-3-OL'>651</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.06&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4e9u|4e9u]], [[4ea1|4ea1]], [[4ea2|4ea2]], [[4ea0|4ea0]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=651:(3R)-3-BIPHENYL-4-YL-1-AZABICYCLO[2.2.2]OCTAN-3-OL'>651</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">crtM ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1280 Staphylococcus aureus])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4e9z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4e9z OCA], [https://pdbe.org/4e9z PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4e9z RCSB], [https://www.ebi.ac.uk/pdbsum/4e9z PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4e9z ProSAT]</span></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/4,4'-diapophytoene_synthase 4,4'-diapophytoene synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.96 2.5.1.96] </span></td></tr>
<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=4e9z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4e9z OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4e9z RCSB], [http://www.ebi.ac.uk/pdbsum/4e9z PDBsum]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Function ==
== Publication Abstract from PubMed ==
[https://www.uniprot.org/uniprot/CRTM_STAAU CRTM_STAAU]
We report X-ray crystallographic structures of three inhibitors bound to dehydrosqualene synthase from Staphylococcus aureus: 1 (BPH-651), 2 (WC-9), and 3 (SQ-109). Compound 2 binds to the S2 site with its -SCN group surrounded by four hydrogen bond donors. With 1, we report two structures: in both, the quinuclidine headgroup binds in the allylic (S1) site with the side chain in S2, but in the presence of PPi and Mg(2+), the quinuclidine's cationic center interacts with PPi and three Mg(2+), mimicking a transition state involved in diphosphate ionization. With 3, there are again two structures. In one, the geranyl side chain binds to either S1 or S2 and the adamantane headgroup binds to S1. In the second, the side chain binds to S2 while the headgroup binds to S1. These results provide structural clues for the mechanism and inhibition of the head-to-head prenyl transferases and should aid future drug design.
 
Head-to-Head Prenyl Tranferases: Anti-Infective Drug Targets.,Lin FY, Liu YL, Li K, Cao R, Zhu W, Axelson J, Pang R, Oldfield E J Med Chem. 2012 May 10;55(9):4367-72. Epub 2012 May 1. PMID:22486710<ref>PMID:22486710</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
==See Also==
</div>
*[[Squalene synthase|Squalene synthase]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: 4,4'-diapophytoene synthase]]
[[Category: Large Structures]]
[[Category: Staphylococcus aureus]]
[[Category: Staphylococcus aureus]]
[[Category: Lin, F Y]]
[[Category: Lin F-Y]]
[[Category: Liu, Y L]]
[[Category: Liu Y-L]]
[[Category: Oldfield, E]]
[[Category: Oldfield E]]
[[Category: Bph-651]]
[[Category: Transferase-transferase inhibitor complex]]

Latest revision as of 14:56, 14 March 2024

Crystal structure of dehydrosqualene synthase (Crtm) from S. aureus complexed with quinuclidine BPH-651 in the S1 site

4e9z, resolution 2.06Å

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