1hno

<StructureSection load='1hno' size='340' side='right' caption='[[1hno]], [[Resolution|resolution]] 2.50&Aring;' scene=''>

<table><tr><td colspan='2'>[[1hno]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HNO OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1HNO FirstGlance]. <br>

</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene></td></tr>

<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1hnu|1hnu]]</td></tr>

<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Dodecenoyl-CoA_isomerase Dodecenoyl-CoA isomerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.3.3.8 5.3.3.8] </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=1hno FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hno OCA], [http://pdbe.org/1hno PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1hno RCSB], [http://www.ebi.ac.uk/pdbsum/1hno PDBsum]</span></td></tr>

[[http://www.uniprot.org/uniprot/ECI1_YEAST ECI1_YEAST]] Essential for the beta oxidation of unsaturated fatty acids.<ref>PMID:9837886</ref>

<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/hn/1hno_consurf.spt"</scriptWhenChecked>

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== Publication Abstract from PubMed ==

The active-site geometry of the first crystal structure of a Delta(3)-Delta(2)-enoyl-coenzyme A (CoA) isomerase (the peroxisomal enzyme from the yeast Saccharomyces cerevisiae) shows that only one catalytic base, Glu158, is involved in shuttling the proton from the C2 carbon atom of the substrate, Delta(3)-enoyl-CoA, to the C4 atom of the product, Delta(2)-enoyl-CoA. Site-directed mutagenesis has been performed to confirm that this glutamate residue is essential for catalysis. This Delta(3)-Delta(2)-enoyl-CoA isomerase is a hexameric enzyme, consisting of six identical subunits. It belongs to the hydratase/isomerase superfamily of enzymes which catalyze a wide range of CoA-dependent reactions. The members of the hydratase/ isomerase superfamily have only a low level of sequence identity. Comparison of the crystal structure of the Delta(3)-Delta(2)-enoyl-CoA isomerase with the other structures of this superfamily shows only one region of large structural variability, which is in the second turn of the spiral fold and which is involved in defining the shape of the binding pocket.

The crystal structure of delta(3)-delta(2)-enoyl-CoA isomerase.,Mursula AM, van Aalten DM, Hiltunen JK, Wierenga RK J Mol Biol. 2001 Jun 15;309(4):845-53. PMID:11399063<ref>PMID:11399063</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 1hno" style="background-color:#fffaf0;"></div>

[[Category: Atcc 18824]]

[[Category: Dodecenoyl-CoA isomerase]]

[[Category: Aalten, D M.F van]]

[[Category: Hiltunen, J K]]

[[Category: Mursula, A M]]

[[Category: Wierenga, R K]]

[[Category: Alpha/beta]]

[[Category: Unliganded]]