The resealing of a split peptide bond [OC(Met) 2 ] was 55-60%, and reproducible yields (B22/23) in a crosslinked insulin derivative by a of OC(Met) 2 -insulin were 40%. After removing trypsin-mediated coupling reaction in Tris buffer/ the crosslink and purification, crystalline resynglycerol/dimethylsulphoxide 1:1:1 at pH 6.5 is thesized insulin of high biological activity was described. The coupling yield obtained with obtained in a yield of 43% and an overall yield, i ,A reB29 -(carbonyl-bis-methionyl) insulin based on split OC(Met) 2 -insulin, of 18%.
Intramolekulare enzymatische Peptidsynthese: Trypsin-katalysierte Knüpfung der Peptidbindung zwischen B22-Arginin und B23-Glycin in einem gespaltenen verbrückten InsulinZusammenfassung: Es wird die Wiederherstellung 60%. Reproduzierbare Ausbeuten an OC(Met) 2 -einer gespaltenen Peptidbindung (B22/23) in Insulin betrugen 40%. Nach Abspaltung der einem verbrückten Insulinderivat durch TrypsinBrücke und Reinigung wurde kristallisiertes Insukatalysierte Kupplung in Trispuffer/Glycerin/ lin hoher biologischer Aktivität in einer Ausbeute Dimetliylsulphoxid l: l: l bei pH 6.5 beschrievon 43% erhalten. Die aufgespaltenes OC(Met) 2 -ben. Die Kupplung verlief bei TV 0^1 ,7V eB29 -(CarInsulin bezogene Ausbeute betrug 18%. bonyl-bis-methionyl)insulin [OC(Met) 2 ] zu 55 -
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