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374 results

  1. NLM Digital Collections - Committee on Convalescence and Rehabilitation - reports 
    https://resource.nlm.nih.gov/101085500X236
    ... results demonstrate that valine, methionine, threonine, leucine, isoleucine, phenylalanine, tryptophane, and - lysine are necessary constltuents of the ...
  2. NLM Digital Collections - Abridged Index medicus : specimen fasciculus 
    Publication: Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, 1965
    resource.nlm.nih.gov/0000044
    ... J Invest Derm 43:121-3, Aug 84 Phenylalanine requirements with different levels of tyrosine. Burrlll LM, ... of salmonoid fishes. XII. Isoleucine, leucine, valine and phenylalanine requirements of Chinook salmon and inter-relations between ...
  3. NLM Digital Collections - Principles of biochemistry : for students of medicine, agriculture and related sciences 
    Publication: Philadelphia : Lea & Febiger, 1924
    resource.nlm.nih.gov/08010820R
    ... aromatic groups which are provided by the Tyrosine, Phenylalanine and Tryptophane radicals in the protein molecule. The ... glutamic acids, and spongin yields neither tyrosine nor phenylalanine. The extraordinary variety of physical properties and peculiarities ...
  4. NLM Digital Collections - Review of intramural research (1959) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    resource.nlm.nih.gov/0141176X1
    ... of meta-tyrosine through the ac- tion of phenylalanine hydroxylase. Methods have been developed for the determination ... the latter suggests that the defective hydroxylation of phenylalanine in this condition may involve the meta as ...
  5. NLM Digital Collections - Review of intramural research (1961) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    resource.nlm.nih.gov/0141176X3
    ... DL-tryptophane, poly- L-tyrosine and poly-L-phenylalanine with the corresponding N-acetyl derivatives, he could ... During a study of the influence of Sarcolysin (phenylalanine mustard) on tumor growth ; it was observed the ...
  6. NLM Digital Collections - Review of intramural research (1960) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    resource.nlm.nih.gov/0141176X2
    ... the mechanism of aromatic hydroxylation. Using tritium labelled phenylalanine (ring) and T 2 it was found that the hydrogen in the para position of phenylalanine does not become la- bile in the presence ...
  7. NLM Digital Collections - Review of intramural research (1962) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    resource.nlm.nih.gov/0141176X4
    ... uncovered a branching point in the biosynthesis between phenylalanine and tyrosine. A cell-free enzyme system, capable ... by addition of coenzyme. Studies with rat liver phenylalanine hydroxyl- ase have shown that this enzyme can ...
  8. NLM Digital Collections - Review of intramural research (1965) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    resource.nlm.nih.gov/0141176X5
    ... ographic procedure) were able to incorporate radioactive labeled phenylalanine when stimu- lated by poly-U. This incorporation ... myeloma. It appears to be as effective as phenylalanine mustard. Metho- trexate and 6-thioguanine have also ...
  9. NLM Digital Collections - Review of intramural research (1966) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    resource.nlm.nih.gov/0141176X6
    ... Peptide Linkages 115 Brain Nucleic Acid 115 Bacterial Phenylalanine Hydroxylase and Its Cofactor 115 Nitrogen Containing Lipids ... high specific activities, while valine, iso- leucine and phenylalanine contain little trit- ium. However, each protein has, ...
  10. NLM Digital Collections - Uptake of Synthetic Polynucleotides by Competent Cells of Bacillus subtilis 
    Publication: American Society for Microbiology, November 1970
    resource.nlm.nih.gov/101584906X916
    ... acid (poly-rU) specifically stimulates the incorporation of phenylalanine but not of leucine. This paper reports the ... X 105 to 3 X& 10 daltons. '4C-phenylalanine (393 mCi/mmole), “C-lysine (247 mCi/mmole), ...
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