Combinatorial solid-phase synthesis and screening of a diverse tripodal triazacyclophane (TAC)-based synthetic receptor library showing a remarkable selectivity towards a d-Ala-d-Ala containing ligand |
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Authors: | Cristina Chamorro |
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Institution: | Department of Medicinal Chemistry, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, PO Box 80082, 3508 TB Utrecht, The Netherlands |
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Abstract: | A large and diverse library of a TAC-based tripodal synthetic receptor library (6) has been prepared by split-mix synthesis on the solid phase. Each receptor of the 46,656-member TAC-based library (6) is attached to a solid support bead and contains three different dipeptide arms. On-bead screening for binding of a d-Ala-d-Ala containing ligand (7) by the TAC-based library (6) was performed in phosphate buffer (0.2 N, pH=7.0). Remarkable selectivity for particular library members was observed. The best binding members from the screening were manually selected using fluorescence microscopy and subjected to structural analysis by sequencing. The thus determined binding sequences showed a high consensus. |
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Keywords: | Synthetic receptors TAC-based library Screening Fluorescent ligand d-Ala-d-Ala-OH" target="_blank">d-Ala-d-Ala-OH |
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