Studies on the Metal-Protein Complex-11-Effect of Ionic Properties of Polypeptides on Metal-catalyzed Fatty Acid Oxidation(Note)

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タイトル別名
  • Studies on the Metal-Protein Complex.XI.
  • Studies on the Metal Protein Complex 11
  • Effect of Ionic Properties of Polypeptides on Metal-catalyzed Fatty Acid Oxidation

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The effect of ionic properties of poly (L-Glu) [poly (L-Glutamic acid)] and poly (L-Lys) [poly (L-Lysine)] on metal-catalyzed fatty acid oxidation were studied as a model of metal-fatty acid-protein interaction in aqueous solution. <BR>In the poly (L-Glu) system, most of added Fe3+ combined with poly (L-Glu), and the resultant Fe3+ poly (L-Glu) complex caused the inhibition of the oxidant activity of added Fe3+. <BR>On the other hand, about 70% of added Cu2+ was remained in ionic state in the poly (L-Glu) system, and the oxidant activity of added Cu2+ was observed. <BR>In the poly (L-Lys) system, the insoluble fatty acid-poly (L-Lys) complex was formed, and most of added metal ion was contained in the complex. The rate of metal catalyzed fatty acid oxidation increased with an increase in poly (L-Lys) concentration and witn a rise in temperature under the formation of the insoluble fatty acid-poly (L-Lys) complex.

収録刊行物

  • 油化学

    油化学 26 (7), 433-435, 1977

    公益社団法人 日本油化学会

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