N-Phenyl Ureidobenzenesulfonate derivatives as novel anticancer agents: QSAR and Molecular docking studies
Journal Title: Trends in Pharmaceutical Sciences - Year 2017, Vol 3, Issue 2
Abstract
DNA double strand-breaks (DSBs) are the most deleterious lesions that can affect the genome of living beings and are lethal if not quickly and properly repaired. Recently, N-phenyl ureidobenzenesulfonates (PUB-SOs) as tubulin inhibitors that block cell cycle progression in S-phase and induce DNA DSBs are discovered. Here, a set of PUB-SOs derivatives were applied to quantitative structural activity relationship (QSAR) analysis. A series of chemometric methods like MLR, FA- MLR, PCR and partial least squared included in variable selection genetic algorithm (GA-PLS), were used to relate structural features of these compounds with their anti-proliferative activity against MCF-7 cell line. New potent lead compounds were also designed based on new structural patterns using in silico-screening study. Molecular docking studies of these compounds on DNA and tubulin were conducted. The results obtained from validated docking protocols indicate that the main amino acids located in the active site cavity in charge of essential interactions with tubulin are Ala30, Lys B254, Asn B258, Met B259, Asn A101, Glu A183, Thr A179, Leu B255, Ser A178 and Gln B247and the most important base pairs inside the minor groove of DNA responsible for essential intercalation with DNA are G2, G4, G10, G12, A5, A6, C9 and C11.
Authors and Affiliations
Azar Mostoufi, Fariba Aliyan, Masood Fereidoonnezhad
Keywords
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