Why the properties of proteins in salt solutions follow a Hofmeister series

Current Opinion in Colloid and Interface Science

Volumn 9, Issue 1-2, 2004, Pages 48-52

  Bostrom M ^a   Williams, D R M ^b   Ninham, B W ^b,c  

^a LINKÖPING UNIVERSITY   (Sweden)

^b AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^c UNIVERSITY OF FLORENCE   (Italy)

Author keywords

Hofmeister effect; Ionic dispersion forces; Lysozyme; Salt solution

Indexed keywords

COLLOIDS; COMPUTATIONAL METHODS; ENZYMES; IONS; PH EFFECTS;

LYSOZYME; SALT SOLUTIONS;

SURFACE CHEMISTRY;

EGG WHITE; GLOBULAR PROTEIN; LYSOZYME; SODIUM CHLORIDE;

AQUEOUS SOLUTION; CONFERENCE PAPER; DISPERSION; MATHEMATICAL COMPUTING; MATHEMATICAL MODEL; PH;

EID: 4444344415     PISSN: 13590294     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cocis.2004.05.001     Document Type: Conference Paper

References (28)

1. Ninham B.W., Parsegian V.A. Electrostatic potential between surfaces bearing ionizable groups in ionic equilibrium with physiological saline solutions. J Theor Biol. 31:1971;405-428
2. •• Hofmeister F. Zur lehre der wirkung der salze. Zweite mittheilung. Arch Exp Pathol Pharmakol. 24:1888;247-260 Hofmeister demonstrates in this exceptional paper that the amount of salt required to precipitate a protein solution depends on the choice of background salt.
3. • Leontidis E. Hofmeister anion effects on surfactant self-assembly and the formation of mesoporous solids. Curr Opin Colloid Interface Sci. 7:2002;81-91 Interesting review that includes a large number of relevant references.
4. •• Ninham B.W., Yaminsky V. Ion binding and ion specificity: the Hofmeister effect and Onsager and Lifshitz theories. Langmuir. 13:1997;2097-2108 The important idea that ionic dispersion potentials are important for the Hofmeister effect is introduced.
5. Netz R.R. Static van der Waals interactions in electrolytes. Eur Phys J E. 5:2001;189-205
6. • Boström M., Williams D.R.M., Ninham B.W. Surface tension of electrolytes: specific ion effects explained by dispersion forces. Langmuir. 17:2001;4475-4478 The first investigation of the role of ionic dispersion potentials behind the Hofmeister effect.
7. Karraker K.A., Radke C. Disjoining pressures, zeta potentials and surface tensions of aqueous non-ionic surfactant/electrolyte solutions: theory and comparison to experiment. J Adv Colloid Interface Sci. 96:2002;231-264
8. Boström M., Williams D.R.M., Ninham B.W. Specific ion effects: why DLVO theory fails for biology and colloid science. Phys Rev Lett. 87:2001;168103-1-4
9. Boström M., Williams D.R.M., Ninham B.W. Ion specificity of micelles explained by ionic dispersion forces. Langmuir. 18:2002;6010-6014
10. Boström M., Williams D.R.M., Ninham B.W. The influence of ionic dispersion potentials on counterion condensation on polyelectrolyte. J Phys Chem B. 106:2002;7908-7912
11. Boström M., Williams D.R.M., Ninham B.W. Influence of Hofmeister effects on surface pH and binding of peptides to membrane. Langmuir. 18:2002;8609-8615
12. •• Boström M., Craig V.S.J., Albion R., Williams D.R.M., Ninham B.W. Hofmeister effects in pH measurements: the role of added salt and co-ions. J Phys Chem B. 107:2003;2875-2878 A previously unpredicted role for co-ions in pH measurements is demonstrated. A simple model is proposed that takes ionic dispersion potentials into account.
13. • Boström M., Williams D.R.M., Ninham B.W. Specific ion effects: why the properties of lysozyme in salt solutions follow a Hofmeister series. Biophys J. 85:2003;686-694 Model calculations demonstrate the important role of ionic dispersion potentials in protein biology.
14. Grant M.L. Nonuniform charge effects in Protein-Protein Interactions. J Phys Chem B. 105:2001;2858-2863
15. Lee K.K., Fitch C.A., Lecomte J.T.J., Garcia-Moreno E.B. Electrostatic effects in highly charged proteins: salt sensitivity of pKa values of histidines in staphylococcal nuclease. Biochemistry. 41:2002;5656-5667
16. Kuehner D.E., Engmann J., Fergg F., Wernick M., Blanch H.W., Prausnitz J.M. Lysozyme net charge and ion binding in concentrated aqueous electrolyte solutions. J Phys Chem B. 103:1999;1368-1374
17. Mahanty J., Ninham B.W. Dispersion forces. 1976;Academic Press, London
18. Marcus Y. Ion properties. 1997;Marcel Dekker, New York
19. - polarizability. J Phys Chem A. 106:2002;379-383 A method is presented to calculate the polarizability of ions in water. This is a key quantity in realistic modeling of proteins and colloids in salt solutions.
20. Nir S. Van der Waals interactions between surfaces of biological interest. Prog Surf Sci. 8:1976;1-58
21. Curtis R.A., Ulrich J., Montaser A., Prusnitz J.M., Blanch H.W. Protein-Protein interactions in concentrated electrolyte solutions. Biotechnol Bioeng. 79:2002;367-380
22. Hribar B., Southall N.T., Vlachy V., Dill K.A. How ions affect the structure of water. J Am Chem Soc. 124:2002;12302-12311
23. Bauer A., Woelki S., Kohler H.-H. Rod formation of ionic surfactants: electrostatic and conformational energies. J Phys Chem B. 108:2004;2028-2037
24. Alfridson M., Ninham B.W., Wall S. Role of co-ion specificity and dissolved atmospheric gas in colloid interaction. Langmuir. 16:2000;10087-10091
25. •• Kunz W., Belloni L., Bernard O., Ninham B.W. Osmotic coefficients and surface tension of aqueous electrolyte solutions: role of dispersion forces. J Phys Chem B. 108:2004;2398 Demonstrates that inclusion of ionic dispersion potentials acting between ions is enough to be able to explain the ion-specific bulk activity coefficient. It also highlights some limitations in the theory.
26. Karlström G. On the effective interaction between an ion and a hydrophobic particle in polar solvents. A step towards an understanding of the Hofmeister effect? Phys Chem Chem Phys. 5:2003;3238-3246
27. Boström M., Williams D.R.M., Ninham B.W. Specific ion effects: the role of co-ions in biology. Europhys Lett. 63:2003;610-615
28. Boström M., Williams D.R.M., Stewart P.R., Ninham B.W. Hofmeister effects in membrane biology: the role of ionic dispersion potentials. Phys Rev E. 68:2003;041902-1-6