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Original Article

On the determination of phenylalanine hydroxylase activity in crude liver extracts

Pages 623-628 | Received 07 Jun 1962, Published online: 28 Aug 2009

References

  • Dixon M., Webb E. C. Enzymes. Longmans Inc., London 1958
  • Følling A. Über Ausscheidung von Phenylbrenztraubensäure in den Harn als Stoffwechselanomalie in Verbindung mit Imbezilität. Hoppe-Zeylers Z. physiol. Chem. 1934; 227: 169
  • Jervis G. A. Phenylpyruvic oligophrenia. Arch. Neurol. Psychiat (Chic.) 1937; 38: 944
  • Jervis G. A. Phenylpyruvic oligophrenia. Deficiency of phenylalanine-oxidizing system. Proc. Soc. exp. Biol. (N.Y.) 1953; 82: 514
  • Kaufman S. The enzymatic conversion of phenylalanine to tyrosine. J. biol. Chem. 1957; 226: 511
  • Kaufman S. A new cofactor required for the enzymatic conversion of phenylalanine to tyrosine. Ibid. 1958a; 230: 931
  • Kaufman S. The participation of tetrahydrofolic acid in the enzymatic conversion of phenylalanine to tyrosine. Biochim. biophys. Acta (Amst.) 1958b; 27: 428
  • Kaufman S. Phenylalanine hydroxylation cofactor in phenylketonuria. Science 1958c; 128: 1506
  • Kaufman S. Studies on the mechanism of the enzymatic conversion of phenylalanine to tyrosine. J. biol. Chem. 1959; 234: 2677
  • Kaufman S. 1960, personal communication)
  • Kaufman S., Levenberg B. Further studies on the phenylalanine-hydroxylation cofactor. Ibid. 1959; 234: 2683
  • Mitoma C. Studies on partially purified phenylalanine hydroxylase. Arch. Biochem. 1956; 476: 60
  • Mitoma C., Auld R. M., Udenfriend S. On the nature of enzymatic defect in phenylpyruvic oligophrenia. Proc. Soc. exp. Biol. (N.Y.) 1957; 94: 634
  • Mitoma C., Leeper L. C. Enzymatic conversion of phenylalanine to tyrosine. Fed. Proc. 1954; 13: 266
  • Moss A. R., Schoenheimer R. The conversion of phenylalanine to tyrosine in normal rats. J. biol. Chem. 1940; 135: 415
  • Penrose L., Quastel J. H. Metabolic studies in phenylketonuria. Biochem. J. 1937; 31: 266
  • Pohland A., Flynn E. H., Jones R. G., Shive W. A proposed structure for folinic acid-SF. a growth factor derived from pteroylglutamic acid. J. Amer. chem. Soc. 1951; 73: 3247
  • Udenfriend S., Bessman S. P. The hydroxylation of phenylalanine and antipyrine in phenylpyruvic oligophrenia. J. biol. Chem. 1953; 203: 961
  • Udenfriend S., Cooper J. R. The enzymatic conversion of phenylalanine to tyrosine. Ibid. 1952a; 194: 503
  • Udenfriend S., Cooper J. R. The chemical estimation of tyrosine and tyramine. Ibid. 1952b; 196: 227
  • Wallace H. W., Moldave K., Meister A. Studies on conversion of phenylalanine to tyrosine in phenylpyruvic oligophrenia. Proc. Soc. exp. Biol. (N.Y.) 1957; 94: 632

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