374 results

... be assayed rapidly to determine how much C1*-phenylalanine can be incorporated into protein in the presence ... incorporate 1 to 20 milli- micromoles of C*-phenylalanine into protein in 15 minutes at 37°. Hf, ...

... Bact. Proc. P 40 (1958). The role of phenylalanine analogues in nucleic acid biosynthesis of Escherichia coli, ... a structural analogue and, therefore, an antimetabolite of phenylalanine, 117 MODES OF ACTION OF ANTIBIOTICS although the ...

... Hydroxylysine 0.93 10 Bl 1y e 1 Phenylalanine 3. 1 8.5 1osop | 2 Threonine . 9 ... gelatin comes out at 22 600. Dakin's early phenylalanine value leads to a minimal molecular weight of ...

... 6 grams of melanin. The high content of phenylalanine and valine is conspicuous. Goris,41 whose valuable ... 0272 0.0358 0.097 0.089 1-phenylalanine 2.2000 2.2320 7.85 5.58 ...

... of these, glycocoll, alanine, valine, leucine and isoleucine, phenylalanine, tyrosine, serine, cystine, pro- line, oxyproline, aspartic acid, ... mole- cules of cysteine. CH2SH CH-NH2 COOH Phenylalanine or ft-phenyl-a-aminopropionic acid (206). C6H5- ...

... smaller than normal amount of the amino acid phenylalanine. Phenylketonuria results from a genetic defect that leads ... effectiveness of the enzyme catalysing the oxidation of phenylalanine to tyrosine. The patients on a normal diet ...

... cat 6 the oxpiation of an amino acid, phenylalanine d stream and cerebrospinal fluid to high concentrations, Wherethe toagn interferes to tyrosine, so that the phenylalanine puilage in the blood- © x i \ with the ...

... 278 from you? This is the Coli biotin phenylalanine strain. . Pete has been using this strain to ... and the anall colonies require neither biotin nor phenylalanine but do require norvaline. What this phenomenon actually ...

... the methionine analogues, selenomethi- onine and ethionine, the phenylalanine analogues, o- and p-fluoro phenylalanine and §8-2-thienylalanine, and the tryptophane analogue, ...

... 0.007 | 0.56 | 0.147 | 7.2 Phenylalanine...... 0.076 | @) | 0.036 (3) | 0.061 | (3) ... proline, glutamic acid, 2 alanine residues, serine, and phenylalanine were absent from Peptide C-20a. Since a ...