A combinatorial approach toward the generation of ambiphilic peptide-based inhibitors of protein:geranylgeranyl transferase-1 |
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Authors: | El Oualid Farid van den Elst Hans Leroy Ingrid M Pieterman Elsbeth Cohen Louis H Burm Brigitte E A Overkleeft Herman S van der Marel Gijs A Overhand Mark |
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Institution: | Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden University, P.O. Box 9502, 2300 RA 2300 RA Leiden, The Netherlands. |
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Abstract: | A combinatorial synthesis of oligopeptide analogues and their evaluation as protein:geranylgeranyl transferase inhibitors is presented. The combinatorial strategy is based on the random mutation, in each new generation, of one of any of the four amino acid building blocks of which the most effective compounds of the previous generation are assembled. In this way, a progressive improvement of the average inhibitory activity was observed until the fifth generation. The most active inhibitors were found to inhibit PGGT-1 in the low micromolar range (IC(50): 3.8-8.1 microM). |
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