Discoverx Corporation

Inna Vainshtein

Richard M Eglen

Riaz Rouhani

Sharon Zhao

A system is provided an enzyme donor ('ED') fused a surrogate of a mammalian protein of interest, where the fusion protein has the function of the natural protein. A vector is provided comprising a regulatory region functional in a mammalian host cell, a sequence encoding the ED joined to a multiple cloning site, an enzyme acceptor ('EA') protein or enzyme acceptor sequence encoding such protein, and substrate for the enzyme formed by ED and EA.

Genetic construct intracellular monitoring system

Systems, including methods and reagents, for identifying enzyme inhibitors. The systems employ a conjugate of a known inhibitor of a target enzyme and an enzyme donor, an enzyme acceptor that binds to the enzyme donor to form an active indicator-enzyme complex, and a detectable substrate for the indicator enzyme. The assay is performed by combining the candidate agent, the conjugate of the known inhibitor and enzyme donor, the enzyme acceptor, and the substrate under binding conditions, where the candidate compound competes with the conjugate for the target enzyme. By measuring the rate of product formation or substrate depletion catalyzed by the indicator enzyme, the inhibitory activity of the candidate compound can be determined. The methodology is particularly applicable for target enzymes that have substrates or products that are difficult to synthesize and/or detect, such as kinases and phosphatases.

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Palo Alto, CA, United States of America

Inna Vainshtein