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1h9i

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[[Image:1h9i.png|left|200px]]
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==COMPLEX OF EETI-II MUTANT WITH PORCINE TRYPSIN==
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<StructureSection load='1h9i' size='340' side='right' caption='[[1h9i]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1h9i]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H9I OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1H9I FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1aks|1aks]], [[1an1|1an1]], [[1avw|1avw]], [[1avx|1avx]], [[1c9p|1c9p]], [[1eja|1eja]], [[1ept|1ept]], [[1ewu|1ewu]], [[1fmg|1fmg]], [[1fn6|1fn6]], [[1fni|1fni]], [[1h9h|1h9h]], [[1ldt|1ldt]], [[1mct|1mct]], [[1qqu|1qqu]], [[1tfx|1tfx]], [[2eti|2eti]], [[2let|2let]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Trypsin Trypsin], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.4 3.4.21.4] </span></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=1h9i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h9i OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1h9i RCSB], [http://www.ebi.ac.uk/pdbsum/1h9i 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/h9/1h9i_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 Ecballium elaterium trypsin inhibitor II (EETI-II) belongs to the family of squash inhibitors and is one of the strongest inhibitors known for trypsin. The eight independent molecules of EETI-II in the crystal structure reported here provide a good opportunity to test the hypothesis that this small cystine-knot protein (knottin) is sufficiently rigid to be used as a molecular scaffold for protein-engineering purposes. To extend this test, the structures of two complexes of EETI-II with trypsin have also been determined, one carrying a four-amino-acid mutation of EETI-II. The remarkable similarity of these structures confirms the rigidity of the molecular framework and hence its suitability as a molecular scaffold.
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{{STRUCTURE_1h9i| PDB=1h9i | SCENE= }}
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Structure of Ecballium elaterium trypsin inhibitor II (EETI-II): a rigid molecular scaffold.,Kratzner R, Debreczeni JE, Pape T, Schneider TR, Wentzel A, Kolmar H, Sheldrick GM, Uson I Acta Crystallogr D Biol Crystallogr. 2005 Sep;61(Pt 9):1255-62. Epub 2005, Aug 16. PMID:16131759<ref>PMID:16131759</ref>
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===COMPLEX OF EETI-II MUTANT WITH PORCINE TRYPSIN===
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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_16131759}}
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==About this Structure==
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[[1h9i]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H9I OCA].
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==See Also==
==See Also==
*[[Trypsin|Trypsin]]
*[[Trypsin|Trypsin]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:016131759</ref><ref group="xtra">PMID:010409654</ref><ref group="xtra">PMID:010441159</ref><ref group="xtra">PMID:002622910</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Sus scrofa]]
[[Category: Sus scrofa]]
[[Category: Trypsin]]
[[Category: Trypsin]]

Revision as of 09:23, 28 September 2014

COMPLEX OF EETI-II MUTANT WITH PORCINE TRYPSIN

1h9i, resolution 1.90Å

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