A positional scanning combinatorial library of peptoids as a source of biological active molecules: identification of antimicrobials |
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Authors: | Humet Marc Carbonell Teresa Masip Isabel Sánchez-Baeza Francisco Mora Puig Cantón Emilia Gobernado Miguel Abad Concepción Pérez-Payá Enrique Messeguer Angel |
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Affiliation: | Department of Biological Organic Chemistry, I.I.Q.A.B. (C.S.I.C.), E-08034 Barcelona, Spain. |
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Abstract: | A positional scanning library of N-alkylglycine trimers (peptoids) containing over 10 000 compounds has been synthesized on solid phase. The synthetic pathway involved the use of the submonomer strategy and a set of 22 commercially available primary amines as a chemical diversity source. The unbiased nature of the library allowed its screening against a variety of biological targets, leading to the identification of individual peptoids exhibiting remarkable biological activities (García-Martínez, C. et al. Proc. Natl. Acad. Sci. U.S.A. 2002, 99, 2374. Montoliu, et al. J. Pharm. Exp. Therap. 2002, 302, 29. Planells-Cases, R., et al. J. Pharm. Exp. Therap. 2002, 302, 163). In the present work, the screening of this library against a panel of Gram-positive and Gram-negative bacteria led to the identification of different compounds exhibiting antimicrobial activity. |
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