1ir9

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[[Image:1ir9.png|left|200px]]
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==IM mutant of lysozyme==
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<StructureSection load='1ir9' size='340' side='right' caption='[[1ir9]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1ir9]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IR9 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1IR9 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ir7|1ir7]], [[1ir8|1ir8]]</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/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] </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=1ir9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ir9 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1ir9 RCSB], [http://www.ebi.ac.uk/pdbsum/1ir9 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/ir/1ir9_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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X-ray structure determination of proteins by using the multiple-wavelength anomalous dispersion method targeting selenomethionine is now widely employed. Isoleucine was examined for the second choice of the substitution of methionine next to leucine. We performed a systematic mutational study of the substitutions of methionine for isoleucine. All mutated lysozymes were less stable than the wild-type by about 1 kcal/mol and it is suggested that this instability was caused by the change in residual hydrophobicity from isoleucine to methionine. The X-ray structures of all mutant lysozymes were very similar to that of the wild-type. In addition, both the accessible surface areas and the conformation of the side chain of methionine in all mutant lysozymes were similar to those of the side chain at the respective isoleucine in the wild-type. Therefore, it is suggested that the mutation from isoleucine to methionine in a protein can be considered as a "safe" substitution.
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{{STRUCTURE_1ir9| PDB=1ir9 | SCENE= }}
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Tolerance of point substitution of methionine for isoleucine in hen egg white lysozyme.,Ohmura T, Ueda T, Hashimoto Y, Imoto T Protein Eng. 2001 Jun;14(6):421-5. PMID:11477222<ref>PMID:11477222</ref>
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===IM mutant of lysozyme===
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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_11477222}}
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==About this Structure==
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[[1ir9]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IR9 OCA].
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==See Also==
==See Also==
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*[[Hen Egg-White (HEW) Lysozyme|Hen Egg-White (HEW) Lysozyme]]
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*[[Lysozyme 3D structures|Lysozyme 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:011477222</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
[[Category: Lysozyme]]
[[Category: Lysozyme]]

Revision as of 09:18, 28 September 2014

IM mutant of lysozyme

1ir9, resolution 1.90Å

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