Microtiter Plate Immobilization Screening for Prototyping Heterogeneous Enzyme Cascades
Immobilization is a key enabling technology in applied biocatalysis that facilitates the separation, recovery, and reuse of heterogeneous biocatalysts. However, finding a consensus immobilization protocol for several enzymes forming a multi‐enzyme system is extremely difficult and relies on a combin...
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Veröffentlicht in: | Angewandte Chemie International Edition 2024-08, Vol.63 (35), p.e202407411-n/a |
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Zusammenfassung: | Immobilization is a key enabling technology in applied biocatalysis that facilitates the separation, recovery, and reuse of heterogeneous biocatalysts. However, finding a consensus immobilization protocol for several enzymes forming a multi‐enzyme system is extremely difficult and relies on a combinatorial trial‐and‐error approach. Herein, we describe a protocol in which 17 different carriers functionalized with different reactive groups are tested in a 96‐well microtiter plate to screen up to 21 immobilization protocols for up to 18 enzymes. This screening includes an activity and stability assay to select the optimal immobilization chemistry to achieve the most active and stable heterogeneous biocatalysts. The information retrieved from the screening can be rationalized using a Python‐based application CapiPy. Finally, through scoring the screening results, we find the consensus immobilization protocol to assemble an immobilized four‐enzyme system to transform vinyl acetate into (S)‐3‐hydroxybutyric acid. This methodology opens a path to speed up the prototyping of immobilized multi‐enzyme pathways for chemical manufacturing.
A microliter plate screening method has been developed to determine the consensus immobilization protocol for the heterogenization of multi‐enzymatic reaction cascades. The optimal immobilization strategy leading to the most active and stable heterogeneous biocatalysts was determined through an activity and stability assay, as demonstrated for an immobilized four‐enzyme system to transform vinyl acetate into (S)‐3‐hydroxybutyric acid. |
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ISSN: | 1433-7851 1521-3773 1521-3773 |
DOI: | 10.1002/anie.202407411 |