ArticleMethods in molecular biology (Clifton, N.J.)2022
Sensitive Plant N-Terminome Profiling with HUNTER.
Article in Methods in molecular biology (Clifton, N.J.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Systems-Level Plant Responses Reveal Pseudomonas-Mediated Growth Promotion in Brachypodium Under Nitrogen Limitation.Plant, cell & environment · 2026Article
- Employing complementary fractionation-based N-terminomics approaches enhances the identification of legumain cleavage events in naïve and inflamed colon tissue.Protein science : a publication of the Protein Society · 2025Article
- Four guidelines to identify bona fide protease-substrate pairs.Journal of experimental botany · 2025Review
- A snapshot of the Physcomitrella N-terminome reveals N-terminal methylation of organellar proteins.Plant cell reports · 2024Article
- Hallmarks of the metabolic secretome.Trends in endocrinology and metabolism: TEM · 2024Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Protein N-termini provide unique and distinguishing information on proteolytically processed or N-terminally modified proteoforms. Also splicing, use of alternative translation initiation sites, and a variety of co- and post-translational N-terminal modifications generate distinct proteoforms that are unambiguously identified by their N-termini. However, N-terminal peptides are only a small fraction among all peptides generated in a shotgun proteome digest, are often of low stoichiometric abundance, and therefore require enrichment. Various protocols for enrichment of N-terminal peptides have been established and successfully been used for protease substrate discovery and profiling of N-terminal modification, but often require large amounts of proteome. We have recently established the High-efficiency Undecanal-based N-Termini EnRichment (HUNTER) as a fast and sensitive method to enable enrichment of protein N-termini from limited sample sources with as little as a few microgram proteome. Here we present our current HUNTER protocol for sensitive plant N-terminome profiling, including sample preparation, enrichment of N-terminal peptides, and mass spectrometry data analysis.
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