phenylalanine

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“
Additionally, the hydroxylation of phenylalanine was assayed by direct measurement of the production of tyrosine at 275 nm according to the method of Pember et al. [42].

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Definitions (2)

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  1. noun An essential amino acid, C9H11NO2, that occurs as a constituent of many proteins and is normally converted to tyrosine in the human body. It is necessary for growth in infants and for nitrogen equilibrium in adults.

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Examples (50)

  • "Tyrosine, L-phenylalanine, and synergistic cofactors," he said. —  Futures Imperfect
  • The refined electron density map fits phenylalanine, indicating that the amyloid core likely comes from the hydrophobic Leu-Val-Phe-Phe residues. —  CiteULike: Everyone's library
  • Gly, and phenylalanine (Phe) residues, all of which were previously believed to be unable to serve as an Arg acceptor site. —  PLoS Biology: New Articles
  • Responses to the chemotactic peptide formyl-methionyl-leucyl-phenylalanine (fMLP), lipopolysaccharide, and lipid A were statistically significant (P < or = 0.03), as was the response to fMLP benzylamide (P < or = 0.05). —  CiteULike: Everyone's library
  • Phenylketonuric patients should be informed that the 4-mg and 5-mg chewable tablets contain phenylalanine (a component of aspartame), 0.674 and 0.842 mg per 4-mg and 5-mg chewable tablet, respectively. —  Nachrichten Ticker - www.finanzen.net
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