Loss of Catalytic Activity in the E134D, H67A, and H349A Mutants of DapE: Mechanistic Analysis with QM/MM Investigation.

Abstract excerpt

In the fight against bacterial infections and antibiotic resistance, the dapE-encoded N-succinyl-l,l-diaminopimelic acid desuccinylase (DapE) is a potentially safe target enzyme. The role of the Glu134, His67, and His349 residues in the binding and hydrolysis of N-succinyl-l,l-diaminopimelic acid (SDAP) is investigated by employing molecular dynamics simulation and hybrid quantum mechanical-molecular mechanical...

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