## Abstract Staphylococcal nuclease, at low pH and in the presence of high salt concentrations, has previously been proposed to exist in a partially folded or molten globule form called the βAβstateβ (Fink et al., 1993, __Protein Sci 2__:1155β1160). We have found that the Aβstate of nuclease at pH
Cold Denaturation of Staphylococcal Nuclease
β Scribed by Yuri V. Griko, Peter L. Privalov, Julian M. Sturtevant and Sergey Yu. Venyaminov
- Book ID
- 123635529
- Publisher
- National Academy of Sciences
- Year
- 1988
- Tongue
- English
- Weight
- 616 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0027-8424
- DOI
- 10.2307/31656
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## Abstract Using highβsensitivity differential scanning calorimetry, we reexamined the thermodynamics of denaturation of staphylococcal nuclease. The denaturational changes in enthalpy and heat capacity were found to be functions of both temperature and pH. The denatured state of staphylococcal nu
Several mutant forms of staphylococcal nuclease with one or two defined amino acid substitutions have been purified, and the effects of the altered amino acid sequence on the stability of the folded conformation have been analyzed by guanidine hydrochloride denaturation. Two nuc-mutations, which gre