Article
Intramolecular autoproteolysis initiates the maturation of penicillin amidase from Escherichia coli.
Biochimica et biophysica acta - 17 Aug 1999
Kasche V, Lummer K, Nurk A, Piotraschke E, Rieks A, Stoeva S, Voelter W
Abstract excerpt
The penicillin amidase (PA) from Escherichia coli belongs to a group of proteolytically processed bacterial enzymes. The mechanism of the maturation of the single polypeptide proenzyme has been studied for the PA from E. coli using a slowly processing mutant proenzyme. The mutant proenzyme was constructed by replacing Thr with Gly in the Thr(263)-Ser(264) bond that must be hydrolysed in active PA. The mutant...
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