2iwt

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[[Image:2iwt.png|left|200px]]
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==THIOREDOXIN H2 (HVTRXH2) IN A MIXED DISULFIDE COMPLEX WITH THE TARGET PROTEIN BASI==
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<StructureSection load='2iwt' size='340' side='right' caption='[[2iwt]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2iwt]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Hordeum_vulgare Hordeum vulgare]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IWT OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2IWT FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=FLC:CITRATE+ANION'>FLC</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ava|1ava]]</td></tr>
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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=2iwt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2iwt OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2iwt RCSB], [http://www.ebi.ac.uk/pdbsum/2iwt 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/iw/2iwt_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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Thioredoxin is ubiquitous and regulates various target proteins through disulfide bond reduction. We report the structure of thioredoxin (HvTrxh2 from barley) in a reaction intermediate complex with a protein substrate, barley alpha-amylase/subtilisin inhibitor (BASI). The crystal structure of this mixed disulfide shows a conserved hydrophobic motif in thioredoxin interacting with a sequence of residues from BASI through van der Waals contacts and backbone-backbone hydrogen bonds. The observed structural complementarity suggests that the recognition of features around protein disulfides plays a major role in the specificity and protein disulfide reductase activity of thioredoxin. This novel insight into the function of thioredoxin constitutes a basis for comprehensive understanding of its biological role. Moreover, comparison with structurally related proteins shows that thioredoxin shares a mechanism with glutaredoxin and glutathione transferase for correctly positioning substrate cysteine residues at the catalytic groups but possesses a unique structural element that allows recognition of protein disulfides.
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{{STRUCTURE_2iwt| PDB=2iwt | SCENE= }}
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Structural basis for target protein recognition by the protein disulfide reductase thioredoxin.,Maeda K, Hagglund P, Finnie C, Svensson B, Henriksen A Structure. 2006 Nov;14(11):1701-10. PMID:17098195<ref>PMID:17098195</ref>
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===THIOREDOXIN H2 (HVTRXH2) IN A MIXED DISULFIDE COMPLEX WITH THE TARGET PROTEIN BASI===
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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_17098195}}
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==About this Structure==
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[[2iwt]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Hordeum_vulgare Hordeum vulgare]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IWT OCA].
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==See Also==
==See Also==
*[[Thioredoxin|Thioredoxin]]
*[[Thioredoxin|Thioredoxin]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:017098195</ref><ref group="xtra">PMID:015765494</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Hordeum vulgare]]
[[Category: Hordeum vulgare]]
[[Category: Finnie, C.]]
[[Category: Finnie, C.]]

Revision as of 06:03, 29 September 2014

THIOREDOXIN H2 (HVTRXH2) IN A MIXED DISULFIDE COMPLEX WITH THE TARGET PROTEIN BASI

2iwt, resolution 2.30Å

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