1cjw

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[[Image:1cjw.png|left|200px]]
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==SEROTONIN N-ACETYLTRANSFERASE COMPLEXED WITH A BISUBSTRATE ANALOG==
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<StructureSection load='1cjw' size='340' side='right' caption='[[1cjw]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1cjw]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Ovis_aries Ovis aries]. The January 2008 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Circadian Clock Proteins'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2008_1 10.2210/rcsb_pdb/mom_2008_1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CJW OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1CJW FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=COT:COA-S-ACETYL+TRYPTAMINE'>COT</scene><br>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1cjw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cjw OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1cjw RCSB], [http://www.ebi.ac.uk/pdbsum/1cjw PDBsum]</span></td></tr>
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<table>
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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/cj/1cjw_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Serotonin N-acetyltransferase, a member of the GNAT acetyltransferase superfamily, is the penultimate enzyme in the conversion of serotonin to melatonin, the circadian neurohormone. Comparison of the structures of the substrate-free enzyme and the complex with a bisubstrate analog, coenzyme A-S-acetyltryptamine, demonstrates that acetyl coenzyme A (AcCoA) binding is accompanied by a large conformational change that in turn leads to the formation of the serotonin-binding site. The structure of the complex also provides insight into how the enzyme may facilitate acetyl transfer. A water-filled channel leading from the active site to the surface provides a pathway for proton removal following amine deprotonation. Furthermore, structural and mutagenesis results indicate an important role for Tyr-168 in catalysis.
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{{STRUCTURE_1cjw| PDB=1cjw | SCENE= }}
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The structural basis of ordered substrate binding by serotonin N-acetyltransferase: enzyme complex at 1.8 A resolution with a bisubstrate analog.,Hickman AB, Namboodiri MA, Klein DC, Dyda F Cell. 1999 Apr 30;97(3):361-9. PMID:10319816<ref>PMID:10319816</ref>
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===SEROTONIN N-ACETYLTRANSFERASE COMPLEXED WITH A BISUBSTRATE ANALOG===
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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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{{ABSTRACT_PUBMED_10319816}}
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==About this Structure==
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[[1cjw]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Ovis_aries Ovis aries]. The January 2008 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Circadian Clock Proteins'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2008_1 10.2210/rcsb_pdb/mom_2008_1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CJW OCA].
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==See Also==
==See Also==
*[[Serotonin N-acetyltransferase|Serotonin N-acetyltransferase]]
*[[Serotonin N-acetyltransferase|Serotonin N-acetyltransferase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:010319816</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Circadian Clock Proteins]]
[[Category: Circadian Clock Proteins]]
[[Category: Ovis aries]]
[[Category: Ovis aries]]

Revision as of 17:13, 20 August 2014

SEROTONIN N-ACETYLTRANSFERASE COMPLEXED WITH A BISUBSTRATE ANALOG

1cjw, resolution 1.80Å

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