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An immobilized titanium (IV) ion affinity chromatography adsorbent for solid phase extraction of phosphopeptides for phosphoproteome analysis
Yao, Yating1,2; Dong, Jing1; Dong, Mingming1,2; Liu, Fangjie1,2; Wang, Yan1,2; Mao, Jiawei1,2; Ye, Mingliang1; Zou, Hanfa1
关键词Protein Phosphorylation Immobilized Titanium (Iv) Ion Affinity Chromatography Solid Phase Extraction Phosphopeptide Enrichment Liquid Chromatography-tandem Mass Spectrometry
刊名JOURNAL OF CHROMATOGRAPHY A
2017-05-19
DOI10.1016/j.chroma.2017.03.026
1498页:22-28
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
关键词[WOS]MASS-SPECTROMETRY ; PHOSPHORYLATED PEPTIDES ; ENRICHMENT ; CANCER ; IMAC ; RESOLUTION ; DYNAMICS ; ROBUST ; CELLS
英文摘要In this study, we developed a centrifugation assisted solid phase extraction (SPE) method for the selective enrichment of phosphopeptides using a new Ti4+-IMAC material synthesized in-house. This new material has the feature of big size and large specific surface area which makes it more suitable to enrich phosphopeptides in a SPE way. The spin tips loaded with the Ti4+-IMAC material were applied to enrich phosphopeptides from the complex protein digests. It was found that phosphopeptides can be specifically enriched from tryptic digest of bovine serum albumin and 3-casein at a molar ratio up to 1000:1. And about 4700 unique phosphorylated peptides can be identified with the specificity as high as 99% from the tryptic digest of HeLa cell proteins. This tip was demonstrated to have good column-to-column reproducibility. Furthermore, it is fitted to analyze minute amount of sample. Compared with the conventional solution method, the SPE method facilitated the rapid and complete separation of the material with solution, which making it a time-saving and convenient method for phosphopeptide enrichment. Compared with the commercial TiO2 material, this new materials yielded much more phosphopeptide identifications and much higher enrichment specificity. (C) 2017 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000401043000004
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152310
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Yao, Yating,Dong, Jing,Dong, Mingming,et al. An immobilized titanium (IV) ion affinity chromatography adsorbent for solid phase extraction of phosphopeptides for phosphoproteome analysis[J]. JOURNAL OF CHROMATOGRAPHY A,2017,1498:22-28.
APA Yao, Yating.,Dong, Jing.,Dong, Mingming.,Liu, Fangjie.,Wang, Yan.,...&Zou, Hanfa.(2017).An immobilized titanium (IV) ion affinity chromatography adsorbent for solid phase extraction of phosphopeptides for phosphoproteome analysis.JOURNAL OF CHROMATOGRAPHY A,1498,22-28.
MLA Yao, Yating,et al."An immobilized titanium (IV) ion affinity chromatography adsorbent for solid phase extraction of phosphopeptides for phosphoproteome analysis".JOURNAL OF CHROMATOGRAPHY A 1498(2017):22-28.
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