Literature DB >> 3899711

Nonspecific reaction of a thiol: protein disulfide oxidoreductase with the disulfide bonds of insulin.

M Pace, P G Pietta, A Fiorino, E Pocaterra, J E Dixon.   

Abstract

A thiol: protein disulfide oxidoreductase from bovine liver was isolated after separation from protein disulfide isomerase. The enzyme, after activation (reduction) with glutathione, was reacted with stoichiometric amounts of insulin and the sulfhydryl groups of the partially reduced hormone were labeled with iodo (l-14C)acetamide. After separation of the insulin chains, the radioactivity was found in both the peptides, with a ratio A-chain/B-chain equal to 2/1.

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Year:  1985        PMID: 3899711     DOI: 10.1007/bf01952081

Source DB:  PubMed          Journal:  Experientia        ISSN: 0014-4754


  18 in total

1.  Isolation of an insulin-degrading enzyme from beef liver.

Authors:  H H TOMIZAWA; Y D HALSEY
Journal:  J Biol Chem       Date:  1959-02       Impact factor: 5.157

2.  The amino-acid sequence in the phenylalanyl chain of insulin. I. The identification of lower peptides from partial hydrolysates.

Authors:  F SANGER; H TUPPY
Journal:  Biochem J       Date:  1951-09       Impact factor: 3.857

3.  Thiol-protein disulphide oxidoreductases. Differences between protein disulphide-isomerase and glutathione-insulin transhydrogenase activities in ox liver.

Authors:  H C Hawkins; R B Freedman
Journal:  Biochem J       Date:  1976-11       Impact factor: 3.857

4.  Purification and characterization of a thiol:protein disulfide oxidoreductase from bovine liver.

Authors:  D F Carmichael; J E Morin; J E Dixon
Journal:  J Biol Chem       Date:  1977-10-25       Impact factor: 5.157

5.  Characterization, kinetics and comparative properties of thiol:protein disulfide oxidoreductase.

Authors:  J E Morin; D F Carmichael; J E Dixon
Journal:  Arch Biochem Biophys       Date:  1978-08       Impact factor: 4.013

6.  Role of disulfide interchange enzyme in immunoglobulin synthesis.

Authors:  R A Roth; M E Koshland
Journal:  Biochemistry       Date:  1981-11-10       Impact factor: 3.162

7.  Purification and properties of pancreatic glutathione-insulin transhydrogenase.

Authors:  P T Varandani; H H Tomizawa
Journal:  Biochim Biophys Acta       Date:  1966-03-07

8.  Kinetics and specificity of homogeneous protein disulphide-isomerase in protein disulphide isomerization and in thiol-protein-disulphide oxidoreduction.

Authors:  N Lambert; R B Freedman
Journal:  Biochem J       Date:  1983-07-01       Impact factor: 3.857

9.  Insulin degradation. XII. The amino acid composition, amino-terminal, and carbohydrate content of beef pancreatic glutathione-insulin transhydrogenase.

Authors:  P T Varandani
Journal:  Biochim Biophys Acta       Date:  1974-12-18

10.  Bovine liver thiol-protein disulphide oxidoreductases. An alternative method for differential purification and resolution of protein disulphide-isomerase and glutathione-insulin transhydrogenase.

Authors:  D A Hillson; R B Freedman
Journal:  Biochem J       Date:  1980-11-01       Impact factor: 3.857

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