This article is cited in 9 papers

General Characteristics of the Changes in the Thermal Stability of Proteins and Enzymes After the Chemical Modification of Their Functional Groups

G. D. Kutuzova, N. N. Ugarova, I. V. Berezin

M. V. Lomonosov Moscow State University, Department of Chemistry

Abstract: The principal structural and physicochemical factors determining the stability of protein macromolecules in solution and the characteristics of the structure of the proteins from thermophilic microorganisms are examined. The mechanism of the changes in the thermal stability of proteins and enzymes after the chemical modification of their functional side groups and the experimental data concerning the influence of chemical modification on the thermal stability of proteins are analysed. The dependence of the stabilisation effect and of the changes in the structure of protein macromolecules on the degree of modification and on the nature of the modified groups and the groups introduced into proteins in the course of modification (their charge and hydrophobic properties) is demonstrated.
The great practical value of the method of chemical modification for the preparation of stabilised forms of biocatalysts is shown in relation to specific examples.
The bibliography includes 178 references.

UDC: 577.15.02

DOI: 10.1070/RC1984v053n11ABEH003141

 English version: Russian Chemical Reviews, 1984, 53:11, 1078–1100

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