6atr

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Current revision (14:24, 4 October 2023) (edit) (undo)
 
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<StructureSection load='6atr' size='340' side='right'caption='[[6atr]], [[Resolution|resolution]] 1.29&Aring;' scene=''>
<StructureSection load='6atr' size='340' side='right'caption='[[6atr]], [[Resolution|resolution]] 1.29&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6atr]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6ATR OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6ATR FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6atr]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6ATR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6ATR FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BWS:L-gamma-glutamyl-L-alanylglycine'>BWS</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GSN:2-AMINO-5-[1-(CARBOXYLATOMETHYLCARBAMOYL)-2-NITROSOSULFANYL-ETHYL]AMINO-5-OXO-PENTANOATE'>GSN</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.29&#8491;</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/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BWS:L-gamma-glutamyl-L-alanylglycine'>BWS</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GSN:2-AMINO-5-[1-(CARBOXYLATOMETHYLCARBAMOYL)-2-NITROSOSULFANYL-ETHYL]AMINO-5-OXO-PENTANOATE'>GSN</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6atr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6atr OCA], [http://pdbe.org/6atr PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6atr RCSB], [http://www.ebi.ac.uk/pdbsum/6atr PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6atr ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6atr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6atr OCA], [https://pdbe.org/6atr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6atr RCSB], [https://www.ebi.ac.uk/pdbsum/6atr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6atr ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/GSTA1_HUMAN GSTA1_HUMAN]] Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles.<ref>PMID:20606271</ref>
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[https://www.uniprot.org/uniprot/GSTA1_HUMAN GSTA1_HUMAN] Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles.<ref>PMID:20606271</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The crystal structure of human alpha class glutathione transferase A1-1 has been determined and refined to a resolution of 2.6 A. There are two copies of the dimeric enzyme in the asymmetric unit. Each monomer is built from two domains. A bound inhibitor, S-benzyl-glutathione, is primarily associated with one of these domains via a network of hydrogen bonds and salt-links. In particular, the sulphur atom of the inhibitor forms a hydrogen bond to the hydroxyl group of Tyr9 and the guanido group of Arg15. The benzyl group of the inhibitor is completely buried in a hydrophobic pocket. The structure shows an overall similarity to the mu and pi class enzymes particularly in the glutathione-binding domain". The main difference concerns the extended C terminus of the alpha class enzyme which forms an extra alpha-helix that blocks one entrance to the active site and makes up part of the substrate binding site.
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Structure determination and refinement of human alpha class glutathione transferase A1-1, and a comparison with the Mu and Pi class enzymes.,Sinning I, Kleywegt GJ, Cowan SW, Reinemer P, Dirr HW, Huber R, Gilliland GL, Armstrong RN, Ji X, Board PG, et al. J Mol Biol. 1993 Jul 5;232(1):192-212. PMID:8331657<ref>PMID:8331657</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 6atr" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Glutathione transferase]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Ji, X]]
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[[Category: Ji X]]
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[[Category: Kumari, V]]
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[[Category: Kumari V]]
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[[Category: Glutathione s-transferase]]
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[[Category: Transferase]]
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Current revision

Crystal structure of hGSTA1-1 complexed with two GSH analogues in each subunit

PDB ID 6atr

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