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A kinetic method for the study of solvent environments of thiol groups in proteins involving the use of a pair of isomeric reactivity probes and a differential solvent effect. Investigation of the active centre of ficin by using 2,2'- and 4,4'- dipyridyl disulphides as reactivity probes.

1. Whereas the second-order rate constants for the reaction of the thiolate ion of 2-mercaptoethanol with 4,4'-dipyridyl disulphide (k4PDS) and with 5,5'-dithiobis-2-nitrobenzoate dianion increase with decreasing dielectric constant of the solvent, or remain unchanged, the rate constant fo...

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Detalhes bibliográficos
Main Authors: Malthouse, J P, Brocklehurst, K
Formato: Artigo
Idioma:Inglês
Publicado em: 1980
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC1161287/
https://ncbi.nlm.nih.gov/pubmed/6990917
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