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374 results

  1. NLM Digital Collections - An Enzymatic Mechanism for Linking Amino Acids to RNA 
    Publication: National Academy of Sciences (U.S.), 1958
    ... RNA) Valine 1.78 1 Leucine 0.00 Phenylalanine 0.00 Methionine 0.00 Valine 5.44 Leucine 14.7 2 Phenylalanine 4.90 Methionine 3.39 Tryptophane 2.00 * ... per umole); 0.2 pmole of C1 pi-phenylalanine (specific activity 1.1 X 10%¢.p.m. ...
  2. NLM Digital Collections - The Surgeon General's Report on Nutrition and Health (pages 676-700) 
    Publication: United States. Public Health Service. Office of the Surgeon General, 1988
    ... of the enzyme that converts the amino acid phenylalanine to tyrosine. Patients with phenylketonuria accumulate phenylalanine and other metabolites that, at high levels, are ...
  3. ... c. Djerassi An Automated Gas Chromatographic Analysis of Phenylalanine in Serun. Clinical Biochem. , 5, 166 (1972) | By ... Kossanyi and A. M. Duffield The Determination of Phenylalanine in Serum by Mass Fragmentography Clinical Biochem., submitted ...
  4. ... C. Djerassi An Automated Gas Chromatographic Analysis of Phenylalanine in Serum. Clinical Biochem., 5, 166 (1972) | . By ... Kossanyi and A. M. Duffield The Determination of Phenylalanine in Serum by Mass Fragmentography Clinical Biochem., submitted ...
  5. NLM Digital Collections - Seminar Minutes 
    Publication: Produced: 7 October 1974
    ... for Arog and Tryp , by using plates lacking phenylalanine and tryp. Three colonies out of about 200 ... plates lacking Tryp and Tyro). Replica plates without phenylalanine were made to check for colonies that could ...
  6. ... be the ebsence of an enzyme which converts phenylalanine to «tyrosine. Heterozygotes are clinically normal, but usually have elevated serum phenylalanine levels. When a test dose of phenylalanine ‘is ...
  7. ... respectively. An aqueous suspension of II partially converts phenylalanine into phenylacetaldehyde. Despite our dependence for many decades ... 4-N-Chlorocytosine (II) oxidized a solution of phenylalanine to phenyl- acetaldehyde, a known product from the ...
  8. ... the use of pelyuridylic acid coding apecifically for phenylalanine is very helpful, since it allows an enormous ... only one - §& ~ of the 20 proteim-amino acids, phenylalanine. We showed that transfer-RHA carries this amino ...
  9. ... it wes assigned to GUG In conflict with phenylalanine, and only one because it was inconsistent with ... established date. For example, the matching triplet for phenylalanine ~- UUU would have to be UGU or UAU ...
  10. NLM Digital Collections - A treatise on chemistry (Volume 3, Part 5) 
    Publication: New York : D. Appleton, 1878-1892
    ... also a product of the dry distillation of phenylalanine,6 C6H5.C2H3.(NH2)CO2H, and forms a ... hydrocyanic acid. fl-Phenyl-a-amidopropionic acid or Phenylalanine, C6H5.CH2. CB^NH^CC^H. The nitril ...
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