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Construction and ESI-MS Analysis of Homocyclic Peptide Libraries Assisted by Inorganic Phosphorus Reagents
Author(s): 
Pages: 2109-2115
Year: Issue:  18
Journal: Acta Chimica Sinica

Keyword:  均环肽库无机磷试剂电喷雾质谱质谱裂解规律;
Abstract: 在无机磷试剂辅助下建立了氨基酸自组装成均环肽的方法,得到了相应的均环肽库.均环肽库的建立增加了肽库的多样性,为药物筛选提供了新的选择性.采用电喷雾多级质谱技术,对系列均环多肽[M+H]+离子和[M+Na]+离子的质谱裂解规律进行了系统研究,两种系列的离子具有不同的质谱裂解特征,分别提出了其可能的质谱裂解机制.该研究丰富了环多肽化合物的电喷雾多级质谱研究,结果表明环肽化合物的加钠离子较加氢离子的质谱...
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