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Volume 14, Issue 4, Pages 229-246

Structural studies of pyoverdins with cyclopeptidic substructures by electrospray ionization and collision induced fragmentation 1,2

Regine Fuchs and Herbert Budzikiewicz

Institut für Organische Chemie der Universität zu Köln, Greinstr. 4, 50939 Köln, Germany

Copyright © 2000 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


By collision induced fragmentation of the [M+2H]2+‒ions of pyoverdins with a partially cyclic peptide structure the nature of the amino acids present and their sequence can be determined. The results obtained with pyoverdins of known structure could be used for structure proposals for new representatives.