Tyrosine aminotransferase: The entrypoint enzyme of the tyrosine-derived pathway in rosmarinic acid biosynthesis

@article{DeEknamkul1987TyrosineAT,
  title={Tyrosine aminotransferase: The entrypoint enzyme of the tyrosine-derived pathway in rosmarinic acid biosynthesis},
  author={W. De-Eknamkul and B. Ellis},
  journal={Phytochemistry},
  year={1987},
  volume={26},
  pages={1941-1946}
}
Abstract High activity of tyrosine aminotransferase (TAT; EC 2.6.1.5) was found in extracts of rosmarinic acid-producing cell cultures of Anchusa officinalis and Coleus blumei , while low activity of tyrosine oxidase was observed. During the culture cycle, TAT activity, phenylalanine ammonia-lyase (PAL) activity and the rate of rosmarinic acid synthesis changed in a coordinated manner. TAT from A . officinalis cultures displayed high substrate specificity for tyrosine but relatively broad… Expand
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