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  • 1
    ISSN: 1434-4475
    Keywords: α-Chymotrypsin ; Enzymatic peptide synthesis ; Papain ; Solidphase peptide synthesis ; Thermolysin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Thermolysin, α-Chymotrypsin und Papain wurden als Biokatalysatoren für die Kupplung verschiedener Carboxylkomponenten an kieselgel-gebundenes Leucinamid als Nucleophil eingesetzt. Für erfolgreiche Kupplungen war eine Spacerlänge von 21 kovalenten Bindungen entsprechend 7 Aminosäureresten erforderlich. Diese Synthesevariante eröffnet die Möglichkeit, racemisierungsfreie Segmentkondensationen an unlöslichen polymeren Trägern mit Hilfe von Proteasen durchzuführen.
    Notes: Abstract Thermolysin, α-chymotrypsin, and papain were used as biocatalysts for the coupling of several carboxyl components to silica-supported leucine amide as a nucleophile. A spacer length of 21 covalent bonds corresponding to 7 amino acid residues was required for successful coupling. This approach offers the possibility of using proteases for racemization-free segment condensations on insoluble polymeric supports.
    Type of Medium: Electronic Resource
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