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Thiol/disulphide exchange reaction: A key regulatory process in biological systems

Chaudhuri, Amitabha (1995) Thiol/disulphide exchange reaction: A key regulatory process in biological systems. In: Current Science (Bangalore), 68 (7). pp. 692-698.

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Cysteine residues in proteins serve many important functions such as stabilizing and maintaining the three-dimensional conformation of many proteins(1), in enzyme catalysis, as a residue undergoing post-translational 2 and in the formation of DNA-binding modification domain of a class of transcriptional activators(3), It is also involved in biological redox coupling(4) and xenobiotic metabolism(5). Disulphide bonds formed by xenobiotic metabolism oxidation of cysteine residues have been used as a probe to study the structure/function relationships of proteins, Introducing novel disulphide bonds in proteins to increase their thermal stability and, therefore, the shelf life is an important goal of protein engineering(6,7), In addition, the thiol group of cysteine residue participates in a reaction termed as thiol/disulphide exchange reaction, the biological significance of this reaction being the theme of this review.

Item Type: Journal Article
Publication: Current Science (Bangalore)
Publisher: Indian Academy of Sciences
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 04 Aug 2011 05:52
Last Modified: 04 Aug 2011 05:52
URI: http://eprints.iisc.ac.in/id/eprint/37978

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