高等学校化学学报 ›› 1989, Vol. 10 ›› Issue (4): 410.

• 研究快报 • 上一篇    下一篇

人胰岛素半合成方法的改进

周慧, 查晓, 郑小飞, 李惟, 沈家骢   

  1. 吉林大学分子生物学系
  • 收稿日期:1988-07-09 出版日期:1989-04-24 发布日期:1989-04-24
  • 通讯作者: 周慧
  • 基金资助:

    国家自然科学基金

Improvement of the Method for Semi-Synthesis of the Human Insulin

Zhou Hui, Cha Xiao, Zheng Xiaofei, Li Wei, Shen Jiacong   

  1. Jilin University, Changchun
  • Received:1988-07-09 Online:1989-04-24 Published:1989-04-24

摘要: 本文对森原等人合成人胰岛素的方法进行了改进。用羧肽酶A和胰酶成功地实施了人胰岛素的半合成。精品的总收率为70%,高于1986年森原等报道的水平(50%)。苏氨酸叔丁酯是半合成人胰岛素的主要原料之一。

关键词: 胰岛素, 胰酶, 半合成, 羧肽酶A

Abstract: Trypsin was used in catalysing the coupling between desalanine-B30-insulin(DAI) and Thr(Bu)OBu, DAI was obtained by digestion of porcine insulin with carboxypeptidase A. Thr(Bu)OBu was directly synthesized without N-terminal protection, different from general way and a high yield of human insulin was obtained. The purity of the semi-synthetic human insulin was one band of electrophoresis. It can be easily crystallized. The amino acid analysis of the semi-synthetic human insulin was identical with the theoretical value. The radiation inactivation test shows the semi-synthetic human insulin has the same insulin-binding activity with the porcine insulin.

Key words: Insulin, Trypsin, Semi-synthesis, Carboxypeptidase A

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