Theoretical comparison of molecular properties of linear and cyclic glycine derived peptides and their phosphor analogues |
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Authors: | Pawe ero Franciszek Pluciski Alexander P Mazurek |
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Institution: | aMedical University of Warsaw, Department of Drug Chemistry, 1 Banacha, Warszawa 02-097, Poland;bNational Medicines Institute, 30/34 Chełmska, Warszawa 00-725, Poland |
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Abstract: | The cyclic compounds are common in nature and widely spread in medicinal chemistry. The cyclopeptides have a special position for their having numerous advantages over their linear, parent peptides. Here, cyclic glycine derived peptides and their linear equivalents were computationally modelled and the molecular properties of both these groups of the compounds were compared. The phosphor analogues of these peptides were also modelled and the same properties were considered. The studies were done by the ab initio methods. The stability and strength of peptide bonds were calculated and the susceptibility of studied compounds to spontaneous oxidation was estimated. |
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Keywords: | Cyclopeptide Glycine Phosphor analogues |
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