ArticleInternational journal of mass spectrometry2015
C-terminal peptide extension via gas-phase ion/ion reactions.
Article in International journal of mass spectrometry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Sequencing of Phosphopeptides Using a Sequential Charge Inversion Ion/Ion Reaction and Electron Capture Dissociation Workflow.Journal of the American Society for Mass Spectrometry · 2024Article
- Polypeptide formation in clusters of β-alanine amino acids by single ion impact.Nature communications · 2020Article
- Ion Mobility and Gas-Phase Covalent Labeling Study of the Structure and Reactivity of Gaseous Ubiquitin Ions Electrosprayed from Aqueous and Denaturing Solutions.Journal of the American Society for Mass Spectrometry · 2020Article
- Recent Developments in Gas-Phase Ion/Ion Reactions for Analytical Mass Spectrometry.Analytical chemistry · 2020Review
- The Role of Electron Transfer Dissociation in Modern Proteomics.Analytical chemistry · 2018Review
- Gas-Phase Oxidation of Neutral Basic Residues in Polypeptide Cations by Periodate.Journal of the American Society for Mass Spectrometry · 2016Article
- Selective Gas-Phase Oxidation and Localization of Alkylated Cysteine Residues in Polypeptide Ions via Ion/Ion Chemistry.Journal of proteome research · 2016Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
The formation of peptide bonds is of great importance from both a biological standpoint and in routine organic synthesis. Recent work from our group demonstrated the synthesis of peptides in the gas-phase via ion/ion reactions with sulfo-NHS reagents, which resulted in conjugation of individual amino acids or small peptides to the N-terminus of an existing 'anchor' peptide. Here, we demonstrate a complementary approach resulting in the C-terminal extension of peptides. Individual amino acids or short peptides can be prepared as reagents by incorporating gas phase-labile protecting groups to the reactive C-terminus and then converting the N-terminal amino groups to the active ketenimine reagent. Gas-phase ion/ion reactions between the anionic reagents and doubly protonated "anchor" peptide cations results in extension of the "anchor" peptide with new amide bond formation at the C-terminus. We have demonstrated that ion/ion reactions can be used as a fast, controlled, and efficient means for C-terminal peptide extension in the gas phase.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.