High-throughput screening for catalysis is a critical technology in all experiments aimed at modifying or creating enzymes by directed evolution, as well as for biodiversity mining for new catalysts. We have developed a series of enzyme assays based on fluorogenic substrates and on
fluorescent product sensors. These new assays offer the possibility to assay chemically non-activated functional groups within chiral molecules with unprecedented sensibility and selectivity. Assays are exemplified for alcohol dehydrogenases, aldolases, lipases and esterases, amidases and
acylases, phosphatases, and epoxide hydrolases. The assays can also be used to isolate catalytic antibodies by screening libraries produced by immunization with transition-state analogs. These assays are suitable for microtiter plate and higher miniaturization formats.
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Document Type: Research Article
December 1, 2001
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International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions
CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.
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