The Arabidopsis phenylalanine ammonia lyase gene family: kinetic characterization of the four PAL isoforms.

Abstract

In Arabidopsis thaliana, four genes have been annotated as provisionally encoding PAL. In this study, recombinant native AtPAL1, 2, and 4 were demonstrated to be catalytically competent for l-phenylalanine deamination, whereas AtPAL3, obtained as a N-terminal His-tagged protein, was of very low activity and only detectable at high substrate concentrations… (More)

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