Abstract
Sound speeds have been measured for aqueous solutions of five tetrapeptides and five pentapeptides at T=298.15 K. The partial molar isentropic compressions at infinite dilution, \(K_{S,2}^{\circ}\), were derived for the peptides using conventional methods. The results were compared with those calculated using group additivity methods, with the amino acid side-chain contributions derived using \(K_{S,2}^{\circ}\) data reported previously for some tripeptides of sequence gly-X-gly, where X represents an amino acid, and also for some N-acetyl amino acid amides. The tripeptides are the preferred model compounds for the estimation of the side-chain contributions to \(K_{S,2}^{\circ}\) of a polypeptide. Our study also confirms that simple group additivity schemes are not feasible for the estimation of \(K_{S,2}^{\circ}\) values for polypeptides and unfolded proteins.
Similar content being viewed by others
References
Prehoda, K.E., Moooberry, E.S., Markley, J.L.: Pressure denaturation of proteins: evaluation of compressibility effects. Biochemistry 37, 5785–5790 (1998)
Taulier, N., Chalikian, T.V.: Compressibility of protein transitions. Biochim. Biophys. Acta 1595, 48–70 (2002)
Ohmae, E., Murakami, C., Gekko, K., Kato, C.: Pressure effects on enzyme functions. J. Biol. Macromol. 7, 23–29 (2007)
Heremans, K., Smeller, L.: In: Taniguchi, Y., Stanley, H.E., Ludwig, H. (eds.) Biological Systems Under Extreme Conditions: Structure and Function, p. 53. Springer, Berlin (2002)
Chalikian, T.V.: Volumetric properties of proteins. Annu. Rev. Biophys. Biomol. Struct. 32, 207–235 (2003)
Gekko, K., Hasegawa, Y.: Compressibility–structure relationship of globular proteins. Biochemistry 25, 6563–6571 (1986)
Chalikian, T.V., Sarvazyan, A.P., Breslauer, K.J.: Hydration and partial compressibility of biological compounds. Biophys. Chem. 51, 89–109 (1994)
Kharakoz, D.P., Bychkova, V.E.: Molton globule of human a-lactalbumin: hydration, density, and compressibility of the interior. Biochemistry 36, 1882–1890 (1997)
Gekko, K., Noguchi, H.: Compressibility of globular proteins in water at 25 °C. J. Phys. Chem. 83, 2706–2714 (1979)
Kharakoz, D.P., Sarvazyan, A.P.: Hydrational and intrinsic compressibilities of globular proteins. Biopolymers 33, 11–26 (1993)
Høiland, H., Hedwig, G.R.: In: Hinz, H.-J. (ed.) Proteins Biochemical and Physical Properties (Landolt–Börnstein, New Series, VII/2A), pp. 6-1–6-23. Springer, Berlin (2003)
Reis, J.: C.R.: Theory of partial molar properties. J. Chem. Soc. Faraday Trans. 2 78, 1595–1608 (1982)
Blandamer, M.J., Davis, M.I., Douhéret, G., Reis, J.C.R.: Apparent molar isentropic compressions and expansions of solutions. Chem. Soc. Rev. 30, 8–15 (2001)
Hedwig, G.R., Høiland, H.: Thermodynamic properties of peptide solutions. Part 11. Partial molar isentropic pressure coefficients in aqueous solution of some tripeptides that model protein side-chains. Biophys. Chem. 49, 175–181 (1994)
Hedwig, G.R., Høiland, H.: Thermodynamic properties of peptide solutions. Part 18. Partial molar isentropic compressibilities of gly-X-gly tripeptides (X = tyr, pro, gln, asp and glu), and the peptide salts K[glyaspgly], Na[glyglugly] and glylysgly acetate in aqueous solution at 25 °C. J. Solution Chem. 34, 1297–1309 (2005)
Hakin, A.W., Høiland, H., Hedwig, G.R.: Volumetric properties of some oligopeptides in aqueous solution: partial molar expansibilities and isothermal compressibilities at 298.15 K for the peptides of sequence ala(gly) n , n=1–4. Phys. Chem. Chem. Phys. 2, 4850–4857 (2000)
Hedwig, G.R.: Isentropic and isothermal compressibilities of the backbone glycyl group of proteins in aqueous solution. Biophys. Chem. 124, 35–42 (2006)
Hedwig, G.R., Høiland, H.: Partial molar isentropic and isothermal compressibilities of some N-acetyl amino acid amides in aqueous solution at 298.15 K. Phys. Chem. Chem. Phys. 6, 2440–2445 (2004)
Mizuguchi, M., Sakurai, M., Nitta, K.: Partial molar volumes and adiabatic compressibilities of N-acetyl-DL-serinamide and N-acetyl-L-threoninamide in dilute aqueous solution. J. Solution Chem. 26, 579–594 (1997)
Kharakoz, D.P.: Partial molar volumes and compressibilities of extended polypeptide chains in aqueous solution: additivity scheme and implication of protein unfolding at normal and high pressure. Biochemistry 36, 10276–10285 (1997)
Kikuchi, M., Sakurai, M., Nitta, K.: Partial molar volumes and adiabatic compressibilities of amino acids in dilute aqueous solutions at 5, 15, 25, 35, and 45 °C. J. Chem. Eng. Data 40, 935–942 (1995)
Chalikian, T.V., Sarvazyan, A.P., Funck, T., Breslauer, K.J.: Partial molar volumes, expansibilities, and compressibilities of oligoglycines in aqueous solutions at 18–55 °C. Biopolymers 34, 541–553 (1994)
Lee, S., Tikhomirova, A., Shalvardjian, N., Chalikian, T.V.: Partial molar volumes and adiabatic compressibilities of unfolded protein states. Biophys. Chem. 134, 185–199 (2008)
Privalov, P.L.: Stability of small globular proteins. Adv. Protein Chem. 33, 167–237 (1979)
Hedwig, G.R.: Partial molar heat capacities and volumes of aqueous solutions of some peptides that model side-chains of proteins. J. Chem. Soc. Faraday Trans. 89, 2761–2768 (1993)
Schwitzer, M.A., Hedwig, G.R.: Thermodynamic properties of peptide solutions. 16. Partial molar heat capacities and volumes of some tripeptides of sequence Gly-X-Gly in aqueous solution at 25 °C. J. Chem. Eng. Data 43, 477–481 (1998)
Häckel, M., Hinz, H.-J., Hedwig, G.R.: Partial molar volumes of proteins: amino acid side-chain contributions derived from the partial molar volumes of some tripeptides over the temperature range 10–90 °C. Biophys. Chem. 82, 35–50 (1999)
Häckel, M., Hinz, H.-J., Hedwig, G.R.: A new set of peptide-based group heat capacities for use in protein stability calculations. J. Mol. Biol. 291, 197–213 (1999)
Hedwig, G.R., Hinz, H.-J.: Group additivity schemes for the calculation of the partial molar heat capacities and volumes of unfolded proteins in aqueous solution. Biophys. Chem. 100, 239–260 (2003)
Hakin, A.W., Hedwig, G.R.: The partial molar heat capacities and volumes of some N-acetyl amino acid amides in aqueous solution over the temperature range 288.15 to 328.15 K. Phys. Chem. Chem. Phys. 2, 1795–1802 (2000)
Liu, J.L., Hakin, A.W., Hedwig, G.R.: Partial molar volumes and heat capacities of the N-acetyl amide derivatives of the amino acids asparagine, glutamine, tyrosine, and lysine monohydrochloride in aqueous solution at temperatures from T=288.15 K to T=328.15 K. J. Chem. Thermodyn. 38, 1640–1650 (2006)
Hedwig, G.R.: Thermodynamic properties of peptide solutions 19. Partial molar isothermal compressions at T=298.15 K of some peptides of sequence gly-X-gly in aqueous solution. J. Chem. Thermodyn. 42, 208–212 (2010)
Häckel, M., Hinz, H.-J., Hedwig, G.R.: The partial molar volumes of some tetra- and pentapeptides in aqueous solution: a test of amino acid side-chain group additivity for unfolded proteins. Phys. Chem. Chem. Phys. 2, 4843–4849 (2000)
Häckel, M., Hinz, H.-J., Hedwig, G.R.: Additivity of the partial molar heat capacities of the amino acid side-chains of small peptides: Implications for unfolded proteins. Phys. Chem. Chem. Phys. 2, 5463–5468 (2000)
Høgseth, E., Hedwig, G., Høiland, H.: Rubidium clock sound velocity meter. Rev. Sci. Instrum. 71, 4679–4680 (2000)
Horvat-Szabo, G., Høgseth, E., Høiland, H.: An automated apparatus for ultrasound velocity measurements improving the pulse-echo-overlap method to a precision better than 0.5 ppm in liquids. Rev. Sci. Instrum. 65, 1644–1648 (1994)
Kell, G.S.: Precise representation of volume properties of water at one atmosphere. J. Chem. Eng. Data 12, 66–69 (1967)
Harned, H.S., Owen, B.B.: The Physical Chemistry of Electrolyte Solutions, 3rd edn. Reinhold, New York (1958), Ch. 8
Del Grosso, V.A., Mader, C.W.: Speed of sound in pure water. J. Acoust. Soc. Am. 52, 1442–1446 (1972)
Bevington, P.R.: Data Reduction and Error Analysis for the Physical Sciences. McGraw-Hill, New York (1969)
Kharakoz, D.P.: Volumetric properties of proteins and their analogues in diluted water solutions. 2. Partial adiabatic compressibilities of amino acids at 15–70 °C. J. Phys. Chem. 95, 5634–5642 (1991)
Kikuchi, M., Sakurai, M., Nitta, K.: Partial molar volumes and isentropic compressibilities of N-acetyl amino acid amides in dilute aqueous solutions at (5, 15, 25, 35, and 45) °C. J. Chem. Eng. Data 41, 1439–1445 (1996)
Acknowledgements
We thank Einar Høgseth for his technical expertise in the design and maintenance of the speed of sound equipment.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Hedwig, G.R., Høiland, H. Partial Molar Isentropic Compressions of Some Tetra- and Pentapeptides in Aqueous Solution: Implications for Group Additivity Schemes for Unfolded Proteins. J Solution Chem 41, 690–701 (2012). https://doi.org/10.1007/s10953-012-9818-3
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10953-012-9818-3