Transition state isosteres of the gamma-glutamyl peptide bond hydrolysis: synthesis and characterization of the psi (CH2NH) pseudopeptide analogue of glutathione.
Dipartimento di Scienze del Farmaco, Università degli Studi G. D'Annunzio, 66013 Chieti, Italy.
Abstract:
The fully deprotected glutathione analogue containing the aminomethylene unit as transition state isostere of the gamma-Glu-Cys peptide bond was synthesized for the first time and characterized in both the reduced and oxidized forms.