高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (4): 532.

• 研究快报 • 上一篇    下一篇

以寡聚组氨酸为配基的高效亲和色谱研究

余晓, 赵睿, 方梅, 熊少祥, 苏天升, 刘国诠   

  1. 中国科学院化学研究所分子科学中心, 北京 100080
  • 收稿日期:1999-09-07 出版日期:2000-04-24 发布日期:2000-04-24
  • 通讯作者: 赵 睿(1962年出生),女,副教授,主要从事生化分析研究.
  • 基金资助:

    国家自然科学基金(批准号:29635010);国家863计划(批准号:102-09-05-03);中国科学院基金

Affinity Chromatography Based on the Oligohistines as the Ligands

YU Xiao, ZHAO Rui, FANG Mei, XIONG Shao-Xiang, SU Tian-Sheng, LIU Guo-Quan   

  1. Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
  • Received:1999-09-07 Online:2000-04-24 Published:2000-04-24

关键词: IgG, 寡聚组氨酸, 高效亲和色谱, 解离常数, 固相肽合成

Abstract: Aseries of affinity media were synthesized by using the oligohistines, His-Gly, (His)3-Gly and (His)5-Gly as the ligands and the home made monosized, non-porous copolymer(CL-PGMA) beads containing active epoxide groups as the support. The affinity chromatographic behavior between IgGand the oligohistines was investigated at pH3.0, 4.5, 7.0 and 10.0. It showed the specific interaction at pH4.5. The dissociation constants of IgGand oligohistine media(1H, 3H, 5H) were 3.037×10-6 , 2.459×10-6 and 1.905×10-6 L/mol, respectively. The dissociation constants decreased with increasing the number of histine-residue in oligopeptide chains.

Key words: IgG, Oligohistine, HPAC, Dissociation constant, Synthesis of peptide in solid phase

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