Structure-guided optimization of D-captopril for discovery of potent NDM-1 inhibitors
Guixing Ma1, Sanshan Wang2, Kebin Wu1
1Department of Biology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research and Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen 518055, Guangdong, China.
Abstract:
β-lactam antibiotics have long been the mainstay for the treatment of bacterial infections. New Delhi metallo-β-lactamase 1 (NDM-1) is able to hydrolyze nearly all β-lactam antibiotics and even clinically used serine-β-lactamase inhibitors. The wide and rapid spreading of NDM-1 gene among pathogenic bacteria has attracted extensive attention, therefore high potency NDM-1 inhibitors are urgently needed. Here we report a series of structure-guided design of D-captopril derivatives that can inhibit the activity of NDM-1 in vitro and at cellular levels. Structural comparison indicates the mechanisms of inhibition enhancement and provides insights for further inhibitor optimization.
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