title: Computational studies of the binding mode and 3D-QSAR analyses of symmetric formimidoester disulfides: a new class of non-nucleoside HIV-1 reverse transcriptase inhibitor.
abstract: Symmetric formimidoester disulfides (DSs) have recently been identified as a new class of potent non-nucleoside HIV-1 reverse transcriptase (RT) inhibitors. Given that three geometric isomers for DSs are possible, a computational strategy based on molecular docking studies, followed by comparative molecular fields analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) was used in order to identify the most probable DS isomer interacting with RT, to elucidate the atomic details of the RT/DS interaction, and to identify key features impacting DS antiretroviral activity. The CoMFA model was found to be the more predictive, with values of r(2)ncv, r(2)cv, SEE = 0.264, F = 80, and r(2)pred=0.73.
authors.affiliation: Dipartimento di Scienze Farmaceutiche, Università degli Studi di Genova, Viale Benedetto XV n.3, 16132, Genoa, Italy. cichero@unige.it
authors.forename: Elena
authors.initials: E
authors.lastname: Cichero
authors.forename: Sara
authors.initials: S
authors.lastname: Cesarini
authors.forename: Andrea
authors.initials: A
authors.lastname: Spallarossa
authors.forename: Luisa
authors.initials: L
authors.lastname: Mosti
authors.forename: Paola
authors.initials: P
authors.lastname: Fossa
mesh_terms: D003198:Computer Simulation; D004220:Disulfides / Q000737:chemistry; D004353:Drug Evaluation, Preclinical / Q000379:methods; D005563:Formic Acid Esters / Q000737:chemistry*; D015658:HIV Infections / Q000188:drug therapy*; D054303:HIV Reverse Transcriptase / Q000037:antagonists & inhibitors*; D008958:Models, Molecular; D018894:Reverse Transcriptase Inhibitors / Q000737:chemistry*
chemical_list: D004220:Disulfides; D005563:Formic Acid Esters; D018894:Reverse Transcriptase Inhibitors; C514824:reverse transcriptase, Human immunodeficiency virus 1; D054303:HIV Reverse Transcriptase