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3nef

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{{STRUCTURE_3nef| PDB=3nef | SCENE= }}
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==High-resolution pyrabactin-bound PYL1 structure==
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===High-resolution pyrabactin-bound PYL1 structure===
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<StructureSection load='3nef' size='340' side='right' caption='[[3nef]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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{{ABSTRACT_PUBMED_20554531}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3nef]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NEF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3NEF FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PYV:4-BROMO-N-(PYRIDIN-2-YLMETHYL)NAPHTHALENE-1-SULFONAMIDE'>PYV</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3kdh|3kdh]], [[3kdi|3kdi]], [[3kdj|3kdj]], [[3neg|3neg]]</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/Phosphoprotein_phosphatase Phosphoprotein phosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.3.16 3.1.3.16] </span></td></tr>
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<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=3nef FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nef OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3nef RCSB], [http://www.ebi.ac.uk/pdbsum/3nef 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/ne/3nef_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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Pyrabactin is a synthetic abscisic acid (ABA) agonist that selectively inhibits seed germination. The use of pyrabactin was pivotal in the identification of the PYR1/PYL/RCAR family (PYL) of proteins as the ABA receptor. Although they both act through PYL proteins, pyrabactin and ABA share no apparent chemical or structural similarity. It remains unclear how pyrabactin functions as an ABA agonist. Here, we report the crystal structure of pyrabactin in complex with PYL1 at 2.4 A resolution. Structural and biochemical analyses revealed that recognition of pyrabactin by the pocket residues precedes the closure of switch loop CL2. Structural comparison between pyrabactin- and ABA-bound PYL1 reveals a general principle in the arrangements of function groups of the two distinct ligands. The study provides a framework for the development of novel ABA agonists that may have applicable potentials in agriculture.
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==Function==
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Functional mechanism of the abscisic Acid agonist pyrabactin.,Hao Q, Yin P, Yan C, Yuan X, Li W, Zhang Z, Liu L, Wang J, Yan N J Biol Chem. 2010 Sep 10;285(37):28946-52. Epub 2010 Jun 16. PMID:20554531<ref>PMID:20554531</ref>
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[[http://www.uniprot.org/uniprot/PYL1_ARATH PYL1_ARATH]] Receptor for abscisic acid (ABA) required for ABA-mediated responses such as stomatal closure and germination inhibition. Inhibits the activity of group-A protein phosphatases type 2C (PP2Cs) when activated by ABA.<ref>PMID:19407143</ref> <ref>PMID:19898420</ref> <ref>PMID:19855379</ref> <ref>PMID:19893533</ref>
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[3nef]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NEF OCA].
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</div>
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==Reference==
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==See Also==
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<ref group="xtra">PMID:020554531</ref><references group="xtra"/><references/>
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*[[PYR/PYL/RCAR family of ABA receptors|PYR/PYL/RCAR family of ABA receptors]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Arabidopsis thaliana]]
[[Category: Arabidopsis thaliana]]
[[Category: Phosphoprotein phosphatase]]
[[Category: Phosphoprotein phosphatase]]
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[[Category: Yan, N.]]
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[[Category: Yan, N]]
[[Category: Hormone receptor]]
[[Category: Hormone receptor]]
[[Category: Hydrolase]]
[[Category: Hydrolase]]
[[Category: Pyl1]]
[[Category: Pyl1]]
[[Category: Pyrabactin]]
[[Category: Pyrabactin]]

Revision as of 14:53, 18 December 2014

High-resolution pyrabactin-bound PYL1 structure

3nef, resolution 2.40Å

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