Protecting role of cosolvents in protein denaturation by SDS: a structural study |
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| Authors: | Catherine Michaux Jenny Pouyez Johan Wouters Gilbert G Privé |
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| Institution: | (1) Chemistry department, CBS lab, CPTS group, 61 rue de Bruxelles, B-5000 Namur, Belgium;(2) Division of Cancer Genomics and Proteomics, Ontario Cancer Institute, 101 College Street, Toronto, Ontario, M5G 1L7, Canada |
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| Abstract: | Background Recently, we reported a unique approach to preserve the activity of some proteins in the presence of the denaturing agent,
Sodium Dodecyl Sulfate (SDS). This was made possible by addition of the amphipathic solvent 2,4-Methyl-2-PentaneDiol (MPD),
used as protecting but also as refolding agent for these proteins. Although the persistence of the protein activity in the
SDS/MPD mixture was clearly established, preservation of their structure was only speculative until now. |
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