GlycoHunter: An Open-Source Software for the Detection and Relative Quantification of INLIGHT-Labeled N‑Linked Glycans
datasetposted on 08.01.2021, 22:45 by Jaclyn Gowen Kalmar, Kenneth P. Garrard, David C. Muddiman
Glycans are responsible for many biological activities; however, their structures are incredibly diverse and complex, often rendering the field of glycomics unsolvable by a single analytical technique. The development of multiple chemical derivatization strategies and bioinformatic software is responsible for some of the greatest analytical gains in the field of glycomics. The INLIGHT strategy is a chemical derivatization technique using hydrazide chemistry to derivatize the reducing end of N-linked glycans and incorporates either a natural (NAT, 12C6) or a stable-isotope label (SIL, 13C6) to carry out relative quantification. Here we present GlycoHunter, a user-friendly software created in MATLAB that enables researchers to accurately and efficiently process MS1 glycomics data where a NAT and SIL pair is generated for relative quantification, including but not limited to, INLIGHT. GlycoHunter accepts the commonly used data file formats imzML and mzXML and effectively identifies all peak pairs associated with NAT- and SIL-labeled N-linked glycans using MS1 data. It also includes the ability to tailor the search parameters and export the results for further analysis using Skyline or Excel.
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SIL-labeled N-linked glycanschemical derivatization strategiesprocess MS 1 glycomics data13 C 6peak pairsN-linked glycansNATformats imzMLRelative QuantificationOpen-Source SoftwareGlycan12 C 6MATLABMS 1 dataglycomics unsolvablestable-isotope labelINLIGHT strategychemical derivatization techniqueGlycoHunterhydrazide chemistrysearch parametersbioinformatic softwareSIL pairuser-friendly softwarequantification