2i0w

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[[Image:2i0w.png|left|200px]]
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==Crystal structure analysis of NP24-I, a thaumatin-like protein==
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<StructureSection load='2i0w' size='340' side='right' caption='[[2i0w]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2i0w]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Solanum_lycopersicum Solanum lycopersicum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I0W OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2I0W FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</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=2i0w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i0w OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2i0w RCSB], [http://www.ebi.ac.uk/pdbsum/2i0w 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/i0/2i0w_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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The crystal structure of NP24-I, an isoform of the thaumatin-like protein (TLP) NP24 from tomato, has been reported. A prominent acidic cleft is observed between domains I and II of the three-domain structure of this antifungal protein, a feature common to other antifungal TLPs. The defensive role of the TLPs has also been attributed to their beta-1,3-glucanase activity and here too the acidic cleft is reported to play a vital role. NP24 is known to bind beta-glucans and so a linear beta-1,3-glucan molecule has been docked in the interdomain cleft of NP24-I. From the docked complex it is observed that the beta-glucan chain is so positioned in the cleft that a Glu and Asp residue on either side of it may form a catalytic pair to cause the cleavage of a glycosidic bond. NP24 has been reported to be an allergenic protein and an allergenic motif could be identified on the surface of the helical domain II of NP24-I. In addition, some allergenic motifs bearing high similarity/identity with some predicted Ig-E binding motifs of closely related allergenic TLPs like Jun a 3 (Juniperus ashei, from mountain cedar pollen) and banana-TLP have been identified on the molecular surface of NP24-I.
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{{STRUCTURE_2i0w| PDB=2i0w | SCENE= }}
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Crystal structure analysis of NP24-I: a thaumatin-like protein.,Ghosh R, Chakrabarti C Planta. 2008 Oct;228(5):883-90. Epub 2008 Jul 24. PMID:18651170<ref>PMID:18651170</ref>
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===Crystal structure analysis of NP24-I, a thaumatin-like protein===
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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_18651170}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[2i0w]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Solanum_lycopersicum Solanum lycopersicum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I0W OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:018651170</ref><references group="xtra"/>
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[[Category: Solanum lycopersicum]]
[[Category: Solanum lycopersicum]]
[[Category: Chakrabarti, C.]]
[[Category: Chakrabarti, C.]]

Revision as of 07:45, 30 September 2014

Crystal structure analysis of NP24-I, a thaumatin-like protein

2i0w, resolution 2.50Å

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