会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明授权
    • Chemo-enzymatic synthesis of semaglutide, liraglutide and GLP-1
    • US10858414B2
    • 2020-12-08
    • US16349106
    • 2019-03-08
    • ENZYPEP B.V.
    • Timo NuijensAna ToplakPeter Jan Leonard Mario Quaedflieg
    • C07K14/605C12N9/54
    • The invention relates to a method for preparing a coupling product having the sequence Pq-Wv-His-X-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Y-Glu-Phe-Ile-Ala-Trp-Leu-Val-Z-Gly-Arg-Gly. The method includes enzymatically coupling (a) a peptide C-terminal ester or thioester having a first peptide fragment represented by the formula Pq-Wv-His-X-Glu-(thio)ester; and (b) a peptide nucleophile having an N-terminally unprotected amine having a second peptide fragment with the sequence H-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Y-Glu-Phe-Ile-Ala-Trp-Leu-Val-Z-Gly-Arg-Gly wherein P represents a protective group at the N-terminal α-amino function of the peptide C-terminal ester or thioester and q is an integer having a value of 1 or 0; W represents one or more amino acid residues, which may be the same or different and v is an integer having a value of 1 or more representing the number of amino acid residues W; X is Ala or an α-amino-isobutyric acid unit (Aib); Y is Lys, which Lys has a free side-chain ε-amino group or a side-chain ε-amino group that is protected with a protective group or a side-chain ε-amino group that is functionalized with an amino acid or another functional group; and Z is Arg or Lys.