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Ultra-High Throughput Screen of Two-Million-Member Combinatorial Compound Collection in a Miniaturized, 1536-Well Assay Format

Pharmacopeia, Inc., Princeton, NJ

M. Orlowski

Pharmacopeia, Inc., Princeton, NJ

P. McCoy

Pharmacopeia, Inc., Princeton, NJ

F. Gastgeb

Pharmacopeia, Inc., Princeton, NJ

K. Appell

Pharmacopeia, Inc., Princeton, NJ

L. Ozgur

Pharmacopeia, Inc., Princeton, NJ

M. Webb

Pharmacopeia, Inc., Princeton, NJ

J. Burbaum

Pharmacopeia, Inc., Princeton, NJ

Results of a complete survey of the more than 2-million-member Pharmacopeia compound collection in a 1536-well microvolume screening assay format are reported. A complete technology platform, enabling the performance of ultra-high throughput screening in a miniaturized 1536-well assay format, has been assembled and utilized. The platform consists of tools for performing microvolume assays, including assay plates, liquid handlers, optical imagers, and data management software. A fluorogenic screening assay for inhibition of a protease enzyme target was designed and developed using this platform. The assay was used to perform a survey screen of the Pharmacopeia compound collection for active inhibitors of the target enzyme.

The results from the survey demonstrate the successful implementation of the ultra-high throughout platform for routine screening purposes. Performance of the assay in the miniaturized format is equivalent to that of a standard 96-well assay, showing the same dependence on kinetic parameters and ability to measure enzyme inhibition. The survey screen identified an active class of compounds within the Pharmacopeia compound collection. These results were confirmed using a standard 96-well assay.

Journal of Biomolecular Screening, Vol. 5, No. 3, 177-187 (2000)
DOI: 10.1177/108705710000500310


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