Volume 35, Issue 8-9 pp. 403-413
Full Paper

Simulation and Comparative Analysis of Different Binding Modes of Non-nucleoside Agonists at the A2A Adenosine Receptor

Diego Dal Ben

Corresponding Author

Diego Dal Ben

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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Michela Buccioni

Michela Buccioni

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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Catia Lambertucci

Catia Lambertucci

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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Gabriella Marucci

Gabriella Marucci

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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Claudia Santinelli

Claudia Santinelli

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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Andrea Spinaci

Andrea Spinaci

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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Ajiroghene Thomas

Ajiroghene Thomas

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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Rosaria Volpini

Rosaria Volpini

School of Pharmacy, Medicinal Chemistry Unit, University of Camerino, via S. Agostino 1, 62032 Camerino (MC, Italy

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First published: 28 June 2016
Citations: 9

Graphical Abstract

Abstract

Non-nucleoside agonists of adenosine receptors were analysed at the A2A adenosine receptor to simulate and compare their possible binding modes. The docking studies were performed by using different arrangements of the binding cavity and various docking tools. Mutagenesis results reported in literature were used as reference data for the assessment of the different ligand arrangements observed in this study. The results suggest four possible binding modes, two of which appear compatible with an agonist activity and in agreement with the mutagenesis data. This study provides useful information for the design of new simplified compounds presenting agonist activity at the A2A adenosine receptor.

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