Structure-based drug design methods for identifying D-Ala-D-Ala ligase inhibitors as antibacterial drugs
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United States of America Patent
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Issued Date -
Jun 26, 2003
app pub date -
Jun 28, 2002
filing date -
Jun 28, 2001
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Abstract
The invention is based on the discovery that certain small molecules can bind to the ATP binding site of D-Ala-D-Ala ligase, even in the absence of the enzyme's substrate, and can cause a conformational change in the enzyme structure similar to that which occurs upon binding of ATP and substrate to the enzyme. Without wishing to be bound by any theory, it is believed that such a conformational change is required for either activation or inhibition of the enzyme. The information obtained from this discovery has enabled identification of key interactions in the active site of the enzyme, as well as the design and opimization of inhibitors.
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