Evolution of substrate specificity within a diverse family of beta/alpha-barrel-fold basic amino acid decarboxylases: X-ray structure determination of enzymes with specificity for L-arginine and carboxynorspermidine.

Abstract

Pyridoxal 5'-phosphate (PLP)-dependent basic amino acid decarboxylases from the beta/alpha-barrel-fold class (group IV) exist in most organisms and catalyze the decarboxylation of diverse substrates, essential for polyamine and lysine biosynthesis. Herein we describe the first x-ray structure determination of bacterial biosynthetic arginine decarboxylase… (More)
DOI: 10.1074/jbc.M110.121137

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