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2gd2
From Proteopedia
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==The 1,1-proton transfer reaction mechanism by alpha-methylacyl-CoA racemase is catalyzed by an aspartate/histidine pair and involves a smooth, methionine-rich surface for binding the fatty acyl moiety== | ==The 1,1-proton transfer reaction mechanism by alpha-methylacyl-CoA racemase is catalyzed by an aspartate/histidine pair and involves a smooth, methionine-rich surface for binding the fatty acyl moiety== | ||
| - | <StructureSection load='2gd2' size='340' side='right' caption='[[2gd2]], [[Resolution|resolution]] 1.70Å' scene=''> | + | <StructureSection load='2gd2' size='340' side='right'caption='[[2gd2]], [[Resolution|resolution]] 1.70Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[2gd2]] is a 4 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[2gd2]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GD2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GD2 FirstGlance]. <br> |
| - | </td></tr><tr id=' | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.7Å</td></tr> |
| - | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CAA:ACETOACETYL-COENZYME+A'>CAA</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr> | |
| - | <tr id=' | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2gd2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gd2 OCA], [https://pdbe.org/2gd2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2gd2 RCSB], [https://www.ebi.ac.uk/pdbsum/2gd2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2gd2 ProSAT]</span></td></tr> |
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| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | |
</table> | </table> | ||
| + | == Function == | ||
| + | [https://www.uniprot.org/uniprot/AMACR_MYCTU AMACR_MYCTU] Catalyzes the epimerization of (2R)- and (2S)-methylacyl-coenzyme A (CoA) thioesters (PubMed:15632186, PubMed:19854148, PubMed:26348625). Accepts as substrates a wide range of alpha-methylacyl-CoAs, including (2R)-2-methylmyristoyl-CoA and (2S)-2-methylmyristoyl-CoA, (2R)-pristanoyl-CoA and (2S)-pristanoyl-CoA, and the cholesterol esters (25R)-3-oxo-cholest-4-en-26-oyl-CoA and (25S)-3-oxo-cholest-4-en-26-oyl-CoA (PubMed:15632186, PubMed:26348625). Can also catalyze the interconversion of the non-physiologic substrates (2R)-ibuprofenoyl-CoA and (2S)-ibuprofenoyl-CoA, which are potential competitive inhibitors of the enzyme (PubMed:19854148).<ref>PMID:15632186</ref> <ref>PMID:19854148</ref> <ref>PMID:26348625</ref> | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
| - | <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/gd/2gd2_consurf.spt"</scriptWhenChecked> | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/gd/2gd2_consurf.spt"</scriptWhenChecked> |
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
</jmolCheckbox> | </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/ | + | </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=2gd2 ConSurf]. |
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
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__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
| - | [[Category: | + | [[Category: Large Structures]] |
| - | [[Category: | + | [[Category: Mycobacterium tuberculosis]] |
| - | [[Category: | + | [[Category: Bhaumik P]] |
| - | [[Category: | + | [[Category: Wierenga RK]] |
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Current revision
The 1,1-proton transfer reaction mechanism by alpha-methylacyl-CoA racemase is catalyzed by an aspartate/histidine pair and involves a smooth, methionine-rich surface for binding the fatty acyl moiety
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