Introduction of permanently charged groups into PEGA resins leads to improved biotransformations on solid support

Basso, A and Ulijn, R V and Flitsch, S L and Margetts, G and Brazendale, I and Ebert, C and De Martin, L and Linda, P and Verdelli, S and Gardossi, L (2004) Introduction of permanently charged groups into PEGA resins leads to improved biotransformations on solid support. Tetrahedron, 60 (3). pp. 589-594. ISSN 0040-4020

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Abstract

The application of biotransformations in solid phase synthesis is an attractive alternative to chemical methodologies. An important issue that needs to be addressed in this context is accessibility of functional groups within a porous polymer to the biocatalyst. This paper shows that such accessibility can be improved for penicillin G amidase by introducing permanent charges into the polymer. The effect appears to be due to better swelling of the polymer in buffer and to electrostatic interactions between polymer and enzyme. (C) 2003 Elsevier Ltd. All rights reserved.