The structural features of the complexes that alpha-bungarotoxin forms with three different synthetic peptides, mimotopes of the nicotinic acetylcholine receptor binding site, have been compared to the corresponding nuclear magnetic resonance (NMR) and surface plasmon resonance (SPR) data. For the considered peptides, the observed different affinities towards the toxin could not be accounted simply by static structural considerations. A combined analysis of the SPR- and NMR-derived dynamic parameters shows new correlations between complex formation and dissociation and the overall pattern of intramolecular and intermolecular nuclear Overhauser effects. These features could be crucial for a rational design of protein ligands.

Spiga, O., Bernini, A., Scarselli, M., Ciutti, A., Bracci, L., Lozzi, L., et al. (2002). Peptide-protein interactions studied by surface plasmon and nuclear magnetic resonances. FEBS LETTERS, 511(1-3), 33-35 [10.1016/S0014-5793(01)03274-4].

Peptide-protein interactions studied by surface plasmon and nuclear magnetic resonances

SPIGA, OTTAVIA;BERNINI A.;BRACCI, LUISA;LOZZI, LUISA;NICCOLAI, NERI
2002-01-01

Abstract

The structural features of the complexes that alpha-bungarotoxin forms with three different synthetic peptides, mimotopes of the nicotinic acetylcholine receptor binding site, have been compared to the corresponding nuclear magnetic resonance (NMR) and surface plasmon resonance (SPR) data. For the considered peptides, the observed different affinities towards the toxin could not be accounted simply by static structural considerations. A combined analysis of the SPR- and NMR-derived dynamic parameters shows new correlations between complex formation and dissociation and the overall pattern of intramolecular and intermolecular nuclear Overhauser effects. These features could be crucial for a rational design of protein ligands.
2002
Spiga, O., Bernini, A., Scarselli, M., Ciutti, A., Bracci, L., Lozzi, L., et al. (2002). Peptide-protein interactions studied by surface plasmon and nuclear magnetic resonances. FEBS LETTERS, 511(1-3), 33-35 [10.1016/S0014-5793(01)03274-4].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/3754
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