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Removal of sulfhydryl groups with 1,3,4,6-tetrachloro-3a, 6a-diphenylglycoluril: Application to the assay of protein in the presence of thiol reagents

✍ Scribed by Ronald W. McClard

Publisher: Elsevier Science
Year: 1981
Tongue: English
Weight: 280 KB
Volume: 112
Category: Article
ISSN: 0003-2697
DOI: 10.1016/0003-2697(81)90293-1

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✦ Synopsis

The chloroamide compound 1,3,4,6-tetrachloro-3a, 6a-diphenylglycoluril is a useful solid-phase reagent for the oxidative removal of sulfhydryl groups from solution. The reaction with dithiothreitol is rapid and first order (/robs = 0.3 min-I). Titration of dithiothreitol with chloroglycoluril shows that one suIfhydry1 group reacts per chloroamide group. Chloroglycoluril can be conveniently employed as a solid-phase reagent to remove suhhydryl groups prior to assay for protein using the standard method of 0. H. Lowry,

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