Automated interpretation of low-energy collision-induced dissociation spectra by SeqMS, a software aid for de novo sequencing by tandem mass spectrometry
peer-reviewed · Electrophoresis · 2000
| Date | 2000-05-01 |
| Type | peer-reviewed |
| Venue | Electrophoresis |
| Publisher | Wiley |
| Contribution | algorithm |
| DOI | 10.1002/(SICI)1522-2683(20000501)21:9<1694::AID-ELPS1694>3.0.CO;2-W |
| Citations (OpenAlex) | 73 |
| Venue 2-year citedness | 1.93 |
Abstract
SeqMS, a software aid for de novo sequencing by tandem mass spectrometry (MS/MS), which was initially developed for the automated interpretation of high-energy collision-induced dissociation (CID) MS/MS spectra of peptides, has been applied to the interpretation of low-energy CID and post-source decay (PSD) spectra of peptides. Based on peptide backbone fragmented ions and their related ions, which are the dominant ions observed in the latter two techniques, the types of ions and their propensities to be observed have been optimized for efficient interpretation of the spectra. In a typical example, the modified SeqMS allowed the complete sequencing of a 31-amino acid synthetic peptide, except for the isobaric amino acids (Leu or Ile, and Lys or Gln), based on only the low-energy CID-MS/MS spectrum.
Methods and tools
- SeqMS: Software aid for automated interpretation of low-energy CID spectra for de novo sequencing by tandem MS.
Cites (3)
Cited by (13)
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- pNovo+: De Novo Peptide Sequencing Using Complementary HCD and ETD Tandem Mass Spectra (2013) crossref
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- De novo sequencing of peptides by MS/MS (2010) crossref
- De novo peptide sequencing by tandem MS using complementary CID and electron transfer dissociation (2009) crossref
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- “De novo” peptide sequencing by MALDI-quadrupole-ion trap mass spectrometry: A preliminary study (2003) crossref