Proteomics

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A multiplex fragment ion-based method for accurate proteome quantification


ABSTRACT: We developed a multiplex pseudo-isobaric dimethyl labeling (m-pIDL) method for proteome quantification to extend the capacity of the fragment ion-based method to 6-plex by one-step dimethyl labeling with several millidalton and dalton mass differences between precursor ions and enlarging the isolation window of precursor ions to 10 m/z during data acquisition.

ORGANISM(S): Homo Sapiens Escherichia Coli

SUBMITTER: Lihua Zhang  

PROVIDER: PXD012457 | iProX | Tue Jan 22 00:00:00 GMT 2019

REPOSITORIES: iProX

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Publications

A Multiplex Fragment-Ion-Based Method for Accurate Proteome Quantification.

Liu Jianhui J   Zhou Yuan Y   Shan Yichu Y   Zhao Baofeng B   Hu Yechen Y   Sui Zhigang Z   Liang Zhen Z   Zhang Lihua L   Zhang Yukui Y  

Analytical chemistry 20190301 6


Multiplex proteome quantification with high accuracy is urgently required to achieve a comprehensive understanding of dynamic cellular and physiological processes. Among the existing quantification strategies, fragment-ion-based methods can provide highly accurate results, but the multiplex capacity is limited to 3-plex. Herein, we developed a multiplex pseudo-isobaric dimethyl labeling (m-pIDL) method to extend the capacity of the fragment-ion-based method to 6-plex by one-step dimethyl labelin  ...[more]

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