高等学校化学学报 ›› 2003, Vol. 24 ›› Issue (3): 459.

• 研究简报 • 上一篇    下一篇

电喷雾质谱动力学方法测定磷酰化丙丙二肽的气相质子亲和能

陈晶, 陈益, 江洋, 赵玉芬   

  1. 清华大学生命科学与工程研究院化学系, 生命有机磷化学教育部重点实验室, 北京 100084
  • 收稿日期:2001-11-26 出版日期:2003-03-24 发布日期:2003-03-24
  • 通讯作者: 赵玉芬(1948年出生),女,博士,教授,博士生导师,中国科学院院士,主要从事生命有机化学研究.
  • 基金资助:

    国家自然科学重点基金(批准号:20175026)资助

Determination of the Gas-Phase Proton Affinity of N-Dipropyloxy-phosphoryl Alkyl-alanine by Electrospray Ionization Mass Spectrometry with the Kinetic Method

CHEN Jing, CHEN Yi, JIANG Yang, ZHAO Yu-Fen   

  1. The Key Laboratory of Bioorganic Phosphorus, Ministry of Education, Department of Chemistry, School of Life Sciences and Engineering, Tsinghua University, Beijing 100084, China
  • Received:2001-11-26 Online:2003-03-24 Published:2003-03-24

关键词: 气相质子亲和能, 电喷雾质谱, 磷酰化, 丙丙二肽

Abstract: In this work, the change of gas-phase proton affinity of alkyl-alanine through the phosphorylation reaction was studied by the electrospray ionization mass spectrometry with kinetic method. It was proved that the phosphorylation could increase the proton affinity of small peptide. A proposal that proton affinity increase might be responsible for the sensitivity improvement of small peptide in mass spectrometry has been provided.

Key words: Gas-phase proton affinity, Electrospray ionization mass spectrometry(ESI-MS), Phosphorylation, Alkyl-alanine

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