The enzymatic segment condensation of peptides on a solid phase in organic mediumстатья
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Дата последнего поиска статьи во внешних источниках: 28 октября 2020 г.
Аннотация:The segment condensation of peptides on a solid phase (Aminosilochrom) in organic medium catalyzed by a subtilisin complex with sodium dodecylsulfate was studied. The dependence of the efficiency of the enzymatic coupling of tripeptides with the basic structure X-Ala-Ala-Y-OMe [where X = Z, Boc, or Dnp and Y = Leu or Glu(OMe)] on the spacer content on the support and on the structure of the acylating component was investigated. The tripeptide segments were successively coupled to Aminosilochrom containing the Met-Ala-Gly spacer, and the peptidylaminosilochroms DnP-Ala-Ala-Leu-Ala-Ala-Leu-Ala-Ala-Glu(OMe)-Met-Ala-Gly-A and DnP-Ala-Ala-Leu-Ala-Ala-Glu(OMe)-Ala-Ala-Leu-Met-Ala-Gly-A (A is the Aminosilochrom residue) were obtained in satisfactory yields. It was shown by these examples that the second and third segments are attached in yields higher than that for the first segment and the coupling efficiency does not depend on the amino acid composition of the acylating component. The English version of the paper:.