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Sequencing of hydrophobic peptides as lithiated adducts using liquid secondary-ion mass spectrometry without tandem mass spectrometry.

Authors
  • Becchi, M
  • Rebuffat, S
  • Dugast, J Y
  • Hlimi, S
  • Bodo, B
  • Molle, G
Type
Published Article
Journal
Rapid communications in mass spectrometry : RCM
Publication Date
Jan 01, 1995
Volume
9
Issue
1
Pages
37–41
Identifiers
PMID: 7888707
Source
Medline
License
Unknown

Abstract

Lithium cationized hydrophobic peptides in the molecular weight range 1900-2650 Da have been studied by liquid secondary-ion mass spectrometry. The mass spectra exhibit characteristic lithiated sequence ions. N-terminal [a(n)+Li-H]+ and [dn+Li-H]+ ions together with limited C-terminal [ypro+Li+H]+ ions lead to an easy sequencing of the peptides studied, without the need for tandem mass spectrometry.

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