In pathogenic microorganisms the enzyme IspH catalyzes a central step in the terpene biosynthesis. Due to its absence in humans, it represents a potent target for prevention and therapy of infectious diseases. In this work, E. coli IspH and three mutant proteins were biochemically, functionally and structurally characterized. In combination with the investigation of two substrate analogs, these results provide an insight in the molecular mechanism of the IspH reaction. Moreover, twelve inhibitors were crystallized in complex with IspH. The structure analysis shows that in addition to its reductase activity, IspH catalyzes the hydration of alkynes.
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In pathogenic microorganisms the enzyme IspH catalyzes a central step in the terpene biosynthesis. Due to its absence in humans, it represents a potent target for prevention and therapy of infectious diseases. In this work, E. coli IspH and three mutant proteins were biochemically, functionally and structurally characterized. In combination with the investigation of two substrate analogs, these results provide an insight in the molecular mechanism of the IspH reaction. Moreover, twelve inhibitor...
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