Charge‐remote fragmentation of peptides derivatized with 4‐aminonaphthalenesulphonic acid
- 1 October 1994
- journal article
- research article
- Published by Wiley in Rapid Communications in Mass Spectrometry
- Vol. 8 (10) , 797-803
- https://doi.org/10.1002/rcm.1290081002
Abstract
A series of small peptides has been studied by negative‐ion fast‐atom bombardment mass spectrometry with collision‐induced dissociation. It has been found that by derivatizing peptides with 4‐aminonaphthalenesulphonic acid in a peptide linkage at the C‐terminus, negative‐ion formation can be enhanced and fragmentation in collision‐induced dissociation reactions controlled. The peptide‐naphthalenesulphonates show charge‐remote fragmentations and the resultant spectra give sequence information.Keywords
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