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From ligand to complexes: Part 2: Remarks on human immunodeficiency virus type 1 integrase inhibition by beta-diketo acid metal complexes

Sechi, Mario and Carcelli, Vincenzo and Rigolino, Dominga and Fisicaro, Emilia and Compari, Carlotta and Biemmi, Mario and Carta, Fabrizio and Sotriffer, Christoph and Sippel, Martin and Al-Mawsawi, Laith Q. and Neamati, Nouri (2008) From ligand to complexes: Part 2: Remarks on human immunodeficiency virus type 1 integrase inhibition by beta-diketo acid metal complexes. In: SardiniaChem 2008: giornata di studio dedicata alla chimica organica delle molecole biologicamente attive, 30 Maggio 2008, Sassari, Italia. Conference or Workshop Item.

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In a previous work we reported results about the coordination ability of the diketo acid pharmacophore, and discussed on the anti-HIV-1 IN activity of a series of synthesized β-diketo acid metal complexes. Herein, a further extension of this study is reported. In particular, a new set of complexes with different stoichiometry was synthesized, and a series of potentiometric measurements were conducted for two diketo acids as model ligands in the presence of other divalent metal ions in order to outline a speciation model. The first X-ray solved structure of a diketo acid metal complex is presented. Moreover, we tested the obtained complexes for anti-HIV 1 IN activity. Furthermore, detailed docking studies were conducted in order to investigate the mode of binding of the free ligands compared with their metal complexes on the active site.

Item Type:Conference or Workshop Item (Poster)
ID Code:1124
Uncontrolled Keywords:HIV-1 integrase, inhibitors, β-diketo acid
Subjects:Area 03 - Scienze chimiche > CHIM/08 Chimica farmaceutica
Divisions:001 Università di Sassari > 01 Dipartimenti > Farmaco, chimico, tossicologico
Additional Information:Comitato Scientifico di SardiniaChem 2008: Giampaolo Giacomelli, Università di Sassari; Giovanna Delogu, CNR Sassari; Salvatore Cabiddu, Pier Paolo Piras, Università di Cagliari. Comitato Organizzatore: Andrea Porcheddu, Università di Sassari; Roberto Dallocchio, CNR Sassari; Stefania De Montis, Università di Cagliari. Realizzazione: Università di Sassari, Dipartimento di chimica e Facoltà di Scienze MFN; CNR, Istituto di chimica biomolecolare, sez. Sassari; Università di Cagliari; Agilent Technologies, Italia, s.p.a., Agenzia Sardegna; Sapio s.r.l.; Sigma-Aldrich s.r.l.; Carlo Erba Reagenti; Medinlab s.r.l.; VWR International s.r.l.
Deposited On:18 Aug 2009 10:04

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