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题名: Sequential enrichment of singly- and multiply-phosphorylated peptides with zwitterionic hydrophilic interaction chromatography material
作者: Sheng, Qianying1;  Yang, Kaiya1;  Xue, Xingya3;  Li, Xiuling3, 4;  Guo, Zhimou3;  Shen, Aijin3;  Ke, Yanxiong5;  Lan, Minbo1, 2;  Liang, Xinmiao
关键词: Zwitterionic material ;  Mixed-mode retention mechanisms ;  Sequential enrichment ;  Multiply-phosphorylated peptides ;  Mass spectrometry
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2015-09-25
DOI: 10.1016/j.chroma.2015.08.018
卷: 1413, 页:47-59
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: An interesting and novel method for the selective and sequential enrichment of singly- and multiply-phosphorylated peptides with a zwitterionic material "Click TE-Cys" is presented. Retention mechanisms between phosphopeptides and Click TE-Cys are systematically investigated by checking the influence of acetonitrile content, pH value, and buffer concentration on the retention of phosphopeptides. Both hydrophilic interaction and electrostatic interaction are involved in retention between phosphopeptides and Click TE-Cys. Based on these results, an optimized method is established for selective enrichment of phosphopeptides using Click TE-Cys. This method not only exhibits high selectivity for phosphopeptides, but also fractionates singly- and multiply-phosphorylated peptides into two fractions. This method was evaluated using relatively complex samples, including peptide mixtures of alpha-casein and bovine serum albumin (BSA) at a molar ratio of 1:10 and skim milk. This efficient and optimized protocol has great potential for enriching multiply-phosphorylated peptides and could be a valuable tool for specific enrichment of phosphopeptides in phosphoproteome analysis. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: SOLID-PHASE EXTRACTION ;  INTERACTION LIQUID-CHROMATOGRAPHY ;  PHOSPHOPROTEOME ANALYSIS ;  MASS-SPECTROMETRY ;  EXCHANGE CHROMATOGRAPHY ;  ION-EXCHANGE ;  IN-VIVO ;  SEPARATION ;  PHOSPHOPEPTIDES ;  COMBINATION
语种: 英语
WOS记录号: WOS:000361577600005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146558
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.E China Univ Sci & Technol, Shanghai Key Lab Funct Mat Chem, Shanghai 200237, Peoples R China
2.E China Univ Sci & Technol, State Key Lab Bioreactor Engn, Shanghai 200237, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
4.Nantong Univ, Coinnovat Ctr Neuroregenerat, Nantong 226019, Peoples R China
5.E China Univ Sci & Technol, Engn Res Ctr Pharmaceut Proc Chem, Shanghai 200237, Peoples R China

Recommended Citation:
Sheng, Qianying,Yang, Kaiya,Xue, Xingya,et al. Sequential enrichment of singly- and multiply-phosphorylated peptides with zwitterionic hydrophilic interaction chromatography material[J]. JOURNAL OF CHROMATOGRAPHY A,2015,1413:47-59.
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