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1yl1

From Proteopedia

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[[Image:1yl1.gif|left|200px]]
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[[Image:1yl1.png|left|200px]]
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{{STRUCTURE_1yl1| PDB=1yl1 | SCENE= }}
{{STRUCTURE_1yl1| PDB=1yl1 | SCENE= }}
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'''Effect of alcohols on protein hydration'''
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===Effect of alcohols on protein hydration===
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==Overview==
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Organic solvents are known to bring about dehydration of proteins, the molecular basis of which has remained uncharacterized. The dehydration effect in many cases leads to eventual unfolding of proteins through the macroscopic solvent effect. In some cases, the organic solvent molecules also bind to protein surfaces, thereby forcing local unfolding. The X-ray structure of hen egg-white lysozyme co-crystallized in the presence of alcohols with varying hydrophobicities has been studied. It was noticed that although the alcohols have very little effect on the conformation of the overall protein structure, they profoundly affect protein hydration and disorder of the bound waters. Systematic analysis of the water structure around the lysozyme molecule suggests that an increasing order of hydrophobicity of alcohols is directly proportional to the higher number of weakly bound waters in the protein. As anticipated, the water molecules in the native structure with high temperature factors (&gt;/=40 A(2)) attain higher disorder in the presence of alcohols. It is believed that the disorder induced in the water molecules is a direct consequence of alcohol binding.
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(as it appears on PubMed at http://www.pubmed.gov), where 15983424 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15983424}}
==About this Structure==
==About this Structure==
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[[Category: Hydration]]
[[Category: Hydration]]
[[Category: Water structure]]
[[Category: Water structure]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 16:27:18 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 05:17:35 2008''

Revision as of 02:17, 29 July 2008

Image:1yl1.png

Template:STRUCTURE 1yl1

Effect of alcohols on protein hydration

Template:ABSTRACT PUBMED 15983424

About this Structure

1YL1 is a Single protein structure of sequence from Gallus gallus. Full crystallographic information is available from OCA.

Reference

Effect of alcohols on protein hydration: crystallographic analysis of hen egg-white lysozyme in the presence of alcohols., Deshpande A, Nimsadkar S, Mande SC, Acta Crystallogr D Biol Crystallogr. 2005 Jul;61(Pt 7):1005-8. Epub 2005, Jun 24. PMID:15983424

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