N-Linked Glycopeptide Identification Based on Open Mass Spectral Library Search
Joint Authors
Yang, Fuquan
An, Zhiwu
Shu, Qingbo
Lv, Hao
Shu, Lian
Wang, Jifeng
Fu, Yan
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-08-14
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Confident characterization of intact glycopeptides is a challenging task in mass spectrometry-based glycoproteomics due to microheterogeneity of glycosylation, complexity of glycans, and insufficient fragmentation of peptide bones.
Open mass spectral library search is a promising computational approach to peptide identification, but its potential in the identification of glycopeptides has not been fully explored.
Here we present pMatchGlyco, a new spectral library search tool for intact N-linked glycopeptide identification using high-energy collisional dissociation (HCD) tandem mass spectrometry (MS/MS) data.
In pMatchGlyco, (1) MS/MS spectra of deglycopeptides are used to create spectral library, (2) MS/MS spectra of glycopeptides are matched to the spectra in library in an open (precursor tolerant) manner and the glycans are inferred, and (3) a false discovery rate is estimated for top-scored matches above a threshold.
The efficiency and reliability of pMatchGlyco were demonstrated on a data set of mixture sample of six standard glycoproteins and a complex glycoprotein data set generated from human cancer cell line OVCAR3.
American Psychological Association (APA)
An, Zhiwu& Shu, Qingbo& Lv, Hao& Shu, Lian& Wang, Jifeng& Yang, Fuquan…[et al.]. 2018. N-Linked Glycopeptide Identification Based on Open Mass Spectral Library Search. BioMed Research International،Vol. 2018, no. 2018, pp.1-11.
https://search.emarefa.net/detail/BIM-1124458
Modern Language Association (MLA)
An, Zhiwu…[et al.]. N-Linked Glycopeptide Identification Based on Open Mass Spectral Library Search. BioMed Research International No. 2018 (2018), pp.1-11.
https://search.emarefa.net/detail/BIM-1124458
American Medical Association (AMA)
An, Zhiwu& Shu, Qingbo& Lv, Hao& Shu, Lian& Wang, Jifeng& Yang, Fuquan…[et al.]. N-Linked Glycopeptide Identification Based on Open Mass Spectral Library Search. BioMed Research International. 2018. Vol. 2018, no. 2018, pp.1-11.
https://search.emarefa.net/detail/BIM-1124458
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1124458