Grandivittin as a natural minor groove binder extracted from Ferulago macrocarpa to ct-DNA, experimental and in silico analysis.

Abstract:

:Ferulago macrocarpa (Fenzl) Boiss., is an endemic medicinal herb of Iran. In this study a dihydrofuranocoumarin called grandivittin (GRA) was separate and purified from Ferulago macrocarpa (Fenzl) Boiss, and characterized by (1)H NMR and Mass spectroscopic methods. The electrochemical behavior of GRA was evaluated by cyclic voltammetry (CV). The interaction of GRA with calf thymus double strand deoxyribonucleic acid (ct-DNA), was evaluated by CV, differential pulse voltammetry (DPV), fluorescence, UV-Vis, FT-IR and molecular modeling methods. The thermodynamic parameters of GRA-DNA complex were measured and reported as: ΔH = 15.04 kJ mol(-1), ΔS = 105.54 J mol(-1) and ΔG = -15.62 kJ mol(-1). Docking simulation was performed to investigate the probable binding mode of GRA to various DNA, too. The polymerase extension study was performed using real-time PCR to confirm the inhibitory effect of GRA on polymerase extension activity as a mirror of binding to ct-DNA. However, all data showed that the grooves binding especially minor groove between GRA and ct-DNA is more predominant rather than other binding modes.

journal_name

Chem Biol Interact

authors

Ahmadi F,Valadbeigi S,Sajjadi SE,Shokoohinia Y,Azizian H,Taheripak G

doi

10.1016/j.cbi.2016.08.020

subject

Has Abstract

pub_date

2016-10-25 00:00:00

pages

89-101

eissn

0009-2797

issn

1872-7786

pii

S0009-2797(16)30338-6

journal_volume

258

pub_type

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