RAS Chemistry & Material ScienceЖурнал физической химии Russian Journal of Physical Chemistry

  • ISSN (Print) 0044-4537
  • ISSN (Online) 3034-5537

FORMATION OF POLYMOLECULAR ASSOCIATES OF SHORT-CHAIN PEPTIDES WITH COPPER IONS UNDER ELECTROSPRAY IONIZATION CONDITIONS

PII
S3034553725070178-1
DOI
10.7868/S3034553725070178
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 99 / Issue number 7
Pages
1113-1120
Abstract
The ionization processes of short-chain peptides in the presence of cationizing agents – metal salts – have been studied. The electrospray ionization method with mass spectrometric detection was used in this work. The mass spectrometric study demonstrated the ability of peptides to form cluster compounds with transition metal ions such as copper. It was shown that up to 2–4 peptide molecules are associated around one charged metal center. A hypothesis on the mechanism of formation of these clusters is proposed in this work, which is confirmed by experimental data.
Keywords
масс-спектрометрия электрораспылительная ионизация кластерообразование короткие пептиды аминокислоты кластерный ион
Date of publication
22.01.2025
Year of publication
2025
Number of purchasers
0
Views
27

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