Article
Stabilization of a metabolic enzyme by library selection in Thermus thermophilus.
Chembiochem : a European journal of chemical biology - 4 Jul 2011
Schwab Thomas, Sterner Reinhard
Abstract excerpt
The anthranilate phosphoribosyl transferase from the hyperthermophilic archaeon Sulfolobus solfataricus (sAnPRT, encoded by strpD), which catalyzes the third step in tryptophan biosynthesis, is a thermostable homodimer with low enzymatic activity at room temperature. We have combined two mutations leading to the monomerization and two mutations leading to the activation of sAnPRT. The resulting "activated...
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