Optimized Workflow for Selecting Peptides for HDX-MS Data Analyses
Optimized Workflow for Selecting Peptides for HDX-MS Data Analyses
复制标题
选择用于 HDX-MS 数据分析的肽的优化工作流程
DOI:
--
复制
发表时间:
2018
影响因子:
3.2
通讯作者:
R. Salbo
中科院分区:
文献类型:
--
作者:
Lars Sørensen;R. Salbo
AbstractHydrogen deuterium exchange measured by mass spectrometry (HDX-MS) is a commonly used technique for studying the structural dynamics of proteins in solution. The first part of any bottom-up HDX-MS experiment is to identify the peptides generated from a digestion step. This requires manual inspection of the identified peptides to determine their use for HDX-MS analysis, which is a time-consuming task. Throughout the literature, there have been different approaches for removing peptides that do not yield quantifiable HDX information. This includes using validity scores from the software used in the generation of the peptide map and that the peptide should be found in two out of three technical replicate experiments. Here, we analyze the previously available methods for filtering the identified peptides in regard to their ability to predict whether a peptide will provide quantifiable HDX-MS data or not. We also present a new score-based system relying on a combination of MS/MS parameters that offers an improved method for separating quantifiable peptides from the nonquantifiable. Using this score-based method reduces the number of peptide spectra that needs to be manually inspected and thereby the time spent curating HDX-MS data.
Graphical Abstractᅟ
登录
查看更多内容
影响因子:
7.4
作者:
MacCoss, MJ;Wu, CC;Yates, JR
通讯作者:
Yates, JR
影响因子:
5.7
作者:
West, Graham M.;Pascal, Bruce D.;Ng, Ley-Moy;Soon, Fen-Fen;Melcher, Karsten;Xu, H. Eric;Chalmers, Michael J.;Griffin, Patrick R.
通讯作者:
Griffin, Patrick R.
影响因子:
5.7
作者:
West, Graham M.;Chien, Ellen Y. T.;Katritch, Vsevolod;Gatchalian, Jovylyn;Chalmers, Michael J.;Stevens, Raymond C.;Griffin, Patrick R.
通讯作者:
Griffin, Patrick R.
影响因子:
48
作者:
Distler, Ute;Kuharev, Joerg;Tenzer, Stefan
通讯作者:
Tenzer, Stefan
影响因子:
3.8
作者:
Nevin,Philip;Engen,JohnR;Beuning,PennyJ
通讯作者:
Beuning,PennyJ