Analysis of sedimentation equilibrium distributions reflecting nonideal macromolecular associations.
Analysis of sedimentation equilibrium distributions reflecting nonideal macromolecular associations.
复制标题
反映非理想大分子缔合的沉降平衡分布分析。
DOI:
10.1016/s0006-3495(00)76466-6
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发表时间:
2000
影响因子:
3.4
通讯作者:
D. Winzor
中科院分区:
文献类型:
--
作者:
P. Wills;M. P. Jacobsen;D. Winzor
A rigorous statistical–mechanical approach is adopted to derive general quantitative expressions that allow for the effects of thermodynamic nonideality in equilibrium measurements reflecting interaction between dissimilar macromolecular reactants. An analytical procedure based on these expressions is then formulated for obtaining global estimates of equilibrium constants and the corresponding reference thermodynamic activities of the free reactants in each of several sedimentation equilibrium experiments. The method is demonstrated by application to results from an ultracentrifugal study of an electrostatic interaction between ovalbumin and cytochromec(Winzor, D. J., M. P. Jacobsen, and P. R. Wills. 1998.Biochemistry.37:2226–2233). It is demonstrated that reliable estimates of relevant thermodynamic parameters are extracted from the data through statistical analysis by means of a simple nonlinear fitting procedure.
影响因子:
2.9
作者:
Laue,TM;Senear,DF;Eaton,S;Ross,JB
通讯作者:
Ross,JB
影响因子:
3.4
作者:
JOHNSON, ML;CORREIA, JJ;HALVORSON, HR
通讯作者:
HALVORSON, HR