Surface Immobilization and Shielding of a Transaminase Enzyme for the Stereoselective Synthesis of Pharmaceutically Relevant Building Blocks
FH-HES Universities of Applied Sciences
Keywords:Chiral building blocks, Transaminases
AbstractTransaminases are enzymes capable of stereoselective reductive amination; they are of great interest in the production of chiral building blocks. However, the use of this class of enzymes in industrial processes is often hindered by their limited stability under operational conditions. Herein, we demonstrate that a transaminase enzyme from Aspergillus terreus can be immobilized at the surface of silica nanoparticles and protected in an organosilica shell of controlled thickness. The so-protected enzyme displays a high biocatalytic activity, and additionally provides the possibility to be retained in a reactor system for continuous operation and to be recycled.
How to Cite
A. T. Alami, F. Richina, M. R. Correro, Y. Dudal, P. Shahgaldian, Chimia 2018, 72, 345, DOI: 10.2533/chimia.2017.345.
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