The residue at which ebselen covalently attaches (Cys208) is highlighted in yellow. active-site zinc ion(s) to catalyze efficient hydrolysis and inactivation of carbapenems. For example, New Delhi metallo–lactamase (NDM) readily catalyzes hydrolysis of meropenem and imipenem with specificity constants (B-factors), enabling aspects of tertiary structure to be decided.23,28 In many Continue Reading