Electrospray Ionization Mass Spectrometry of Cyclodextrin Complexes of Amino Acids and Peptides

Autor: John R. Eyler, Ragulan Ramanathan, Laszlo Prokai, Joseph P. Nawrocki
Rok vydání: 1996
Předmět:
Zdroj: Proceedings of the Eighth International Symposium on Cyclodextrins ISBN: 9780792340294
DOI: 10.1007/978-94-011-5448-2_49
Popis: Appropriate complex-forming side-chains of peptides and proteins can bind cyclodextrins. We have characterized interactions of amino acids with cyclodextrins by electrospray ionization mass spectrometry. The stoichiometry of various α-cyclodextrin/protonated tryptophan complexes sampled from solution to the gas phase by ESI was revealed by taking advantage of the extended mass range and high mass resolution of a Fourier-transform ion cyclotron resonance instrument. Binding of β-cyclodextrin to recombinant human insulin has been demonstrated.
Databáze: OpenAIRE