2025 biology talkshow : central dogma of molecular biology (6)-轉譯後蛋白質修飾 (選修生物I)

詳細闡述蛋白質在核糖體合成後如何轉變成具備特定功能的成熟分子。將此過程比喻為演員的角色養成，解釋蛋白質如何經過信號肽移除、醣基化、磷酸化和脂化等多種翻譯後修飾。此外，內容也涵蓋伴護蛋白在蛋白質正確摺疊中的重要性、蛋白質的剪接活化機制，以及泛素-蛋白酶體系統如何負責降解不再需要或錯誤摺疊的蛋白質。最後，也討論蛋白質與輔因子結合以啟動功能的過程，強調這些複雜的步驟共同確保蛋白質在細胞中精準地發揮作用，維護細胞的正常運轉與代謝平衡。 Powered by Firstory Hosting

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2025 biology talkshow : central dogma of molecular biology (6)-轉譯後蛋白質修飾 (選修生物I)

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