Fragmentation of amidinated peptide ions
Copyright policy )Fragmentation of amidinated peptide ions
The collision-induced dissociation characteristics of amidinated and unmodified tryptic peptides are compared using an ion trap mass spectrometer with both electrospray ionization and matrix-assisted laser/desorption ionization (MALDI). Several fragmentation pathways in a number of tryptic peptides of various precursor charge states are found to be enhanced. The additional information conveyed by the observed fragment ions should facilitate protein identifications.
- DePaul University United States
- Indiana University United States
- Indiana University United States
- Indiana University United States
Ions, Spectrometry, Mass, Electrospray Ionization, Molecular Structure, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization, Molecular Sequence Data, Amino Acid Sequence, Peptides, Amides, Peptide Fragments
Ions, Spectrometry, Mass, Electrospray Ionization, Molecular Structure, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization, Molecular Sequence Data, Amino Acid Sequence, Peptides, Amides, Peptide Fragments
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