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LipidBlast Templates As Flexible Tools for Creating New in-Silico Tandem Mass Spectral Libraries
Author(s) -
Tobias Kind,
Yozo Okazaki,
Kazuki Saito,
Oliver Fiehn
Publication year - 2014
Publication title -
analytical chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.117
H-Index - 332
eISSN - 1520-6882
pISSN - 0003-2700
DOI - 10.1021/ac502511a
Subject(s) - chemistry , tandem , in silico , template , tandem mass spectrometry , mass spectrum , mass spectrometry , spectral line , analytical chemistry (journal) , combinatorial chemistry , computational biology , nanotechnology , chromatography , biochemistry , materials science , physics , astronomy , gene , biology , composite material
Tandem mass spectral libraries (MS/MS) are usually built by acquiring experimentally measured mass spectra from chemical reference compounds. We here show the versatility of in-silico or computer generated tandem mass spectra that are directly obtained from compound structures. We use the freely available LipidBlast development software to generate 15 000 MS/MS spectra of the glucuronosyldiacylglycerol (GlcADG) lipid class, recently discovered for the first time in plants. The generation of such an in-silico MS/MS library for positive and negative ionization mode took 5 h development time, including the validation of the obtained mass spectra. Such libraries allow for high-throughput annotations of previously unknown glycolipids. The publicly available LipidBlast templates are universally applicable for the development of MS/MS libraries for novel lipid classes.

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