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Sequence and modified group analysis on C-terminal modified analogs of endomorphin-2 using electrospray ionization-Fourier transform ion cyclotron resonance mass spectrometer
Zhu ChuanJun2; Hu ChangFeng2; Shao Xuan1,2; Yao JinLong1; Wang ChangLin1; Wang Rui1; Cui YuXin2
关键词endomorphin-2 opioid peptide analogs ESI FT-ICR MS McLafferty rearrangement
刊名SCIENCE IN CHINA SERIES B-CHEMISTRY
2008
DOI10.1007/s11426-007-0123-8
51期:1页:41-45
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]AMINO-ACID-SEQUENCE ; ANTINOCICEPTIVE ACTIVITY ; MORPHICEPTIN ANALOGS ; PEPTIDES ; RECEPTOR ; POSITION
英文摘要

In this paper, a series of C-terminal modified analogs of endomorphin-2 is investigated using ESI-FT-ICR-MS. Some b, y", a, and internal ions are found in the CID spectra and slight mass differences between the calculated and observed results are obtained. Moreover, if the C-terminal modified group is t-butyloxy, it can lose butene through McLafferty rearrangement. FT-ICR MS shows its power in peptide sequencing successfully helping us obtain the structure of peptide analogs.

语种英语
WOS记录号WOS:000251972200006
引用统计
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/59733
专题北京大学药学院
作者单位1.Lanzhou Univ, Sch Life Sci, Inst Biochem & Mol Biol, Lanzhou 730000, Peoples R China
2.Peking Univ, Sch Pharmaceut Sci, State Key Lab Nat & Biomimet Drugs, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Zhu ChuanJun,Hu ChangFeng,Shao Xuan,et al. Sequence and modified group analysis on C-terminal modified analogs of endomorphin-2 using electrospray ionization-Fourier transform ion cyclotron resonance mass spectrometer[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2008,51(1):41-45.
APA Zhu ChuanJun.,Hu ChangFeng.,Shao Xuan.,Yao JinLong.,Wang ChangLin.,...&Cui YuXin.(2008).Sequence and modified group analysis on C-terminal modified analogs of endomorphin-2 using electrospray ionization-Fourier transform ion cyclotron resonance mass spectrometer.SCIENCE IN CHINA SERIES B-CHEMISTRY,51(1),41-45.
MLA Zhu ChuanJun,et al."Sequence and modified group analysis on C-terminal modified analogs of endomorphin-2 using electrospray ionization-Fourier transform ion cyclotron resonance mass spectrometer".SCIENCE IN CHINA SERIES B-CHEMISTRY 51.1(2008):41-45.
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