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説明
C3-translational product, which was synthesized with rabbit liver mRNA in a reticulocyte lysate protein-synthesizing system, did not react with [14C]methylamine, indicating the lack of an internal thioester bond. Instead, the C3-translational product reacted with iodo[1-14C]acetamide, as determined by gel electrophoresis in the presence of sodium dodecyl sulfate after immunoprecipitation of the product, indicating the presence of a reactive thiol group. When the C3-translational product was treated with rabbit liver homogenate, the product acquired reactivity with [14C]methylamine and lost the reactivity with iodo[1-14C]acetamide. Thus, the liver homogenate seemed to contain a factor (or factors) required for the formation of an internal thioester bond. The factor was partially purified from the liver homogenate by ammonium sulfate precipitation and ion-exchange chromatography on DEAE-cellulose.
収録刊行物
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- The Journal of Biochemistry
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The Journal of Biochemistry 96 1539-1546, 1984-10-01
Oxford University Press (OUP)