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Data independent acquisition-mass spectrometry (DIA-MS) coupled with liquid chromatography is a promising approach for rapid, automatic sampling of MS/MS data in untargeted metabolomics. However, wide isolation windows in DIA-MS generate MS/MS spectra containing a mixed population of fragment ions t...
2018-03-26 | MTBLS417 | MetaboLights

We present an open access marine toxins spectral database for dereplication purpose using the new tool GNPS MASST.

This interface enables you to search a single MS/MS spectrum against public GNPS spectral libraries including MetaboLights and all public MS/MS datasets.

The database wil...

2020-01-14 | MTBLS599 | MetaboLights
Clinical biomarker discovery is often based on the analysis of human plasma samples. However, the high dynamic range and complexity of plasma pose significant challenges to mass spectrometry-based proteomics. Current methods for improving protein identifications require laborious pre-analytical samp...
ORGANISM(S): Homo sapiens (Human) 
2023-10-24 | PXD042546 | Pride
In this study, a comprehensive spectral library for S. pneumoniae with an emphasis on phosphopeptide spectra was compiled. In total, 76% of the theoretical S. pneumoniae proteins were stored in a spectral library. Additionally, in combination with classical database search algorithms and the spectra...
ORGANISM(S): Streptococcus Pneumoniae D39 
Synthetic phosphopeptides and enriched K562 cell phosphopeptides were analyzed using a TripleTOF 6600 mass spectrometer before and after enzymatic dephosphorylation. Dephosphorylated peptides identified by X!Tandem database searching were subjected to spectral simulation of all possible single phosp...
ORGANISM(S): Homo Sapiens (human) 
Ricin, a protein found in castor seeds, is a lethal toxin that is designated as a category 2 select agent. Because castor seeds are easy to obtain and the toxin can be easily extracted, cases of attempted ricin poisoning are relatively common. A shotgun proteomics method for ricin identification has...
ORGANISM(S): Ricinus communis 
2019-10-02 | PXD013711 | Pride
Open modification searching (OMS) is a powerful search strategy that identifies peptides carrying any type of modification by allowing a modified spectrum to match against its unmodified variant by using a very wide precursor mass window. A drawback of this strategy, however, is that it leads to a l...
ORGANISM(S): Homo sapiens (Human) Saccharomyces cerevisiae (Baker's yeast) 
2021-05-25 | PXD009861 | Pride
We constructed a comprehensive Arabidopsis Spectral Assay library that is useful for DIA/SWATH-MS quantitative proteome analysis.
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2019-11-06 | PXD012708 | Pride
We constructed a comprehensive Arabidopsis Spectral Assay library that is useful for DIA/SWATH-MS quantitative proteome analysis.
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2019-11-06 | PXD012710 | Pride
Comprehensive spectral libraries are essential in sequential window acquisition of all theoretical mass spectra (SWATH-MS) based high throughput proteomic studies. Even though SWATH-MS assays provide robust quantitative proteomics data its applications to human T-cell studies are limited by the lack...
ORGANISM(S): Homo sapiens (Human) 
2020-10-19 | PXD019446 | Pride
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