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Semisynthesis of a Post-Translationally Modified Protein by Using Chemical Cleavage and Activation of an Expressed Fusion Polypeptide

机译:通过化学裂解和表达的融合多肽的激活半翻译后修饰的蛋白质。

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摘要

Herein, we describe a new semisynthetic strategy of a post-translationally modified protein in which the middle region is glycosylated. We designed a single-plasmid coding for a fusion polypeptide, which can provide both an N-terminal a-thioester and a C-terminal cysteine peptide of a target glycoprotein by using chemical-cleavage and activation methods. The use of these resultant peptide derivatives resulted in the successful synthesis of N-glycosylated-interleukin 13.
机译:在这里,我们描述了中间区域被糖基化的翻译后修饰蛋白的新半合成策略。我们设计了编码融合多肽的单质粒,该融合多肽可以通过化学裂解和激活方法提供目标糖蛋白的N端α-硫代酯和C端半胱氨酸肽。使用这些所得的肽衍生物成功合成了N-糖基化的白介素13。

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