Natural polyphenols down-regulate universal stress protein in Mycobacterium tuberculosis: An in-silico approach

被引:7
作者
Aanandhi, M. Vijey [1 ]
Bhattacherjee, Debojit [1 ]
George, P. Samuel Gideon [1 ]
Ray, Anirban [2 ]
机构
[1] Vels Univ VISTAS, Sch Pharmaceut Sci, Dept Pharmaceut Chem & Pharm Practice, Chennai, Tamil Nadu, India
[2] Roland Inst Pharmaceut Sci, Dept Pharmacol, Berhampur, Orissa, India
关键词
Isoniazid; polyphenols; Rv1636; universal stress protein;
D O I
10.4103/2231-4040.143036
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Universal stress protein (USP) is a novel target to overcome the tuberculosis resistance. Our present study enlightens the possibilities of some natural polyphenols as an antioxidant for USP. The study has shown some molecular simulations of some selected natural antioxidants with USP. We have considered USP (Rv1636) strain for homology modeling and the selected template was taken for the docking study. Curcumin, catechin, reservetrol has shown ARG 136 (1.8 angstrom) hydrogen bonding and two ionic bonding with carboxyl group of curcumin with LEU 130 (3.3 angstrom) and ASN 144 (3.4 angstrom) respectively. INH was taken for the standard molecule to perform molecular simulation. It showed poor binding interaction with the target, that is, -5.18 kcal, and two hydrogen bonding with SER 140 (1.887 angstrom), ARG 147 (2.064 angstrom) respectively. The study indicates possible new generation curcumin analogue for future therapy to down-regulate USP.
引用
收藏
页码:171 / 178
页数:8
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