1g3m

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[[Image:1g3m.gif|left|200px]]
 
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{{Structure
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==CRYSTAL STRUCTURE OF HUMAN ESTROGEN SULFOTRANSFERASE IN COMPLEX WITH IN-ACTIVE COFACTOR PAP AND 3,5,3',5'-TETRACHLORO-BIPHENYL-4,4'-DIOL==
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|PDB= 1g3m |SIZE=350|CAPTION= <scene name='initialview01'>1g3m</scene>, resolution 1.70&Aring;
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<StructureSection load='1g3m' size='340' side='right'caption='[[1g3m]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=A3P:ADENOSINE-3&#39;-5&#39;-DIPHOSPHATE'>A3P</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=PCQ:3,5,3&#39;,5&#39;-TETRACHLORO-BIPHENYL-4,4&#39;-DIOL'>PCQ</scene>
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<table><tr><td colspan='2'>[[1g3m]] 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=1G3M OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1G3M FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Estrone_sulfotransferase Estrone sulfotransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.8.2.4 2.8.2.4] </span>
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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]] 1.7&#8491;</td></tr>
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|GENE= STE ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=A3P:ADENOSINE-3-5-DIPHOSPHATE'>A3P</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=PCQ:3,5,3,5-TETRACHLORO-BIPHENYL-4,4-DIOL'>PCQ</scene></td></tr>
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|DOMAIN=
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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=1g3m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1g3m OCA], [https://pdbe.org/1g3m PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1g3m RCSB], [https://www.ebi.ac.uk/pdbsum/1g3m PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1g3m ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1g3m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1g3m OCA], [http://www.ebi.ac.uk/pdbsum/1g3m PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1g3m RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/ST1E1_HUMAN ST1E1_HUMAN] Sulfotransferase that utilizes 3'-phospho-5'-adenylyl sulfate (PAPS) as sulfonate donor to catalyze the sulfate conjugation of estradiol and estrone. May play a role in the regulation of estrogen receptor activity by metabolizing free estradiol. Maximally sulfates beta-estradiol and estrone at concentrations of 20 nM. Also sulfates dehydroepiandrosterone, pregnenolone, ethinylestradiol, equalenin, diethylstilbesterol and 1-naphthol, at significantly higher concentrations; however, cortisol, testosterone and dopamine are not sulfated.<ref>PMID:11884392</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/g3/1g3m_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=1g3m ConSurf].
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<div style="clear:both"></div>
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'''CRYSTAL STRUCTURE OF HUMAN ESTROGEN SULFOTRANSFERASE IN COMPLEX WITH IN-ACTIVE COFACTOR PAP AND 3,5,3',5'-TETRACHLORO-BIPHENYL-4,4'-DIOL'''
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==See Also==
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*[[Sulfotransferase 3D structures|Sulfotransferase 3D structures]]
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== References ==
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==Overview==
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<references/>
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Certain hydroxylated polychlorinated biphenyls (OH-PCBs) inhibit the human estrogen sulfotransferase (hEST) at subnanomolar concentrations, suggesting a possible pathway for PCB toxicity due to environmental exposure in humans. To address the structural basis of the inhibition, we have determined the crystal structure of hEST in the presence of the sulfuryl donor product 3 -phosphoadenosine 5 -phosphate and the OH-PCB 4,4 -OH 3,5,3,5 -tetraCB. The OH-PCB binds in the estrogen binding site with the position of the first phenolic ring in an orientation similar to the phenolic ring of 17 beta-estradiol. Interestingly, the OH-PCB does not bind in a planar conformation, but rather with a 30-degree twist between the phenyl rings. The crystal structure of hEST with the OH-PCB bound gives physical evidence that certain OH-PCBs can mimic binding of estrogenic compounds in biological systems.
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__TOC__
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</StructureSection>
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==About this Structure==
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1G3M is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1G3M OCA].
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==Reference==
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Crystallographic analysis of a hydroxylated polychlorinated biphenyl (OH-PCB) bound to the catalytic estrogen binding site of human estrogen sulfotransferase., Shevtsov S, Petrotchenko EV, Pedersen LC, Negishi M, Environ Health Perspect. 2003 Jun;111(7):884-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12782487 12782487]
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[[Category: Estrone sulfotransferase]]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Negishi, M.]]
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[[Category: Negishi M]]
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[[Category: Pedersen, L C.]]
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[[Category: Pedersen LC]]
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[[Category: Petrochenko, E V.]]
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[[Category: Petrochenko EV]]
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[[Category: Shevtsov, S.]]
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[[Category: Shevtsov S]]
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[[Category: estrogen]]
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[[Category: human]]
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[[Category: pcb]]
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[[Category: sulfotransferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:35:55 2008''
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Current revision

CRYSTAL STRUCTURE OF HUMAN ESTROGEN SULFOTRANSFERASE IN COMPLEX WITH IN-ACTIVE COFACTOR PAP AND 3,5,3',5'-TETRACHLORO-BIPHENYL-4,4'-DIOL

PDB ID 1g3m

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