Dynamics of Protein-Ligand Interactions

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F06%3A00018241" target="_blank" >RIV/00216224:14310/06:00018241 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Dynamics of Protein-Ligand Interactions

Original language description

Binding of mouse pheromones to major urinary proteins (MUPs) represents a typical example of interactions between lipocalins and their small hydrophobic ligands. Previously, based on the model-free analysis of 15N relaxation data, we observed that the backbone flexibility of MUP-I increased slightly upon pheromone binding, in contrast to the decreased flexibility expected for induced-fit interactions. To shed the light on this unusual observation, we have performed an independent study adopting different methodology. Backbone dynamics of mouse major urinary protein I (MUP-I) was studied by 15N NMR relaxation at multiple temperatures for a complex of MUP-I with its natural pheromonal ligand, 2-sec-4,5-dihydrothiazole, and for the free protein. Graphicalanalysis of the reduced spectral density values provided an unbiased qualitative picture of the internal motions. Quantitative parameters were obtained using a novel method of simultaneous data fitting at multiple temperatures to several

Czech name

Dynamika interakcí protein-ligand

Czech description

Binding of mouse pheromones to major urinary proteins (MUPs) represents a typical example of interactions between lipocalins and their small hydrophobic ligands. Previously, based on the model-free analysis of 15N relaxation data, we observed that the backbone flexibility of MUP-I increased slightly upon pheromone binding, in contrast to the decreased flexibility expected for induced-fit interactions. To shed the light on this unusual observation, we have performed an independent study adopting different methodology. Backbone dynamics of mouse major urinary protein I (MUP-I) was studied by 15N NMR relaxation at multiple temperatures for a complex of MUP-I with its natural pheromonal ligand, 2-sec-4,5-dihydrothiazole, and for the free protein. Graphicalanalysis of the reduced spectral density values provided an unbiased qualitative picture of the internal motions. Quantitative parameters were obtained using a novel method of simultaneous data fitting at multiple temperatures to several

Type

D - Article in proceedings

CEP classification

CE - Biochemistry

OECD FORD branch

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Project

<a href="/en/project/LC06030" target="_blank" >LC06030: Biomolecular centre</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2006

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Frontieres of Biomolecular NMR

ISBN

961-6104-08-X

ISSN

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e-ISSN

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Number of pages

1

Pages from-to

41-41

Publisher name

Narodna i univerzitetna knjižnica, Ljubljana

Place of publication

Lubjlana

Event location

Ljubljana

Event date

Jan 1, 2006

Type of event by nationality

EUR - Evropská akce

UT code for WoS article

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