Disclosed herein are modified C-terminal fragments of FGF21 optimized for binding to Klotho β or antagonizing FGF21 activity. FGF21 peptides modified to comprise modifications to the C-terminal amino acid sequence are disclosed that have enhanced activity at the FGF21 receptor. Additionally, conjugates formed between the optimized FGF21 peptide fragments and insulin like peptides or nuclear hormone receptor ligands are provided.
本文公开了经过修饰的 FGF21 C 端片段,这些片段经过优化,可与 Klotho β 结合或拮抗 FGF21 的活性。已公开的 FGF21
多肽包括对 C 端
氨基酸序列的修饰,在 FGF21 受体上具有更强的活性。此外,还提供了优化的 FGF21 肽片段与
胰岛素样肽或核激素受体
配体之间形成的共轭物。