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Tuberculosis (TB) is an infectious disease caused by many strains of mycobacteria, but commonly  Mycobacterium tuberculosis . As a possible method of reducing the drug resistance of  M. tuberculosis , this research investigates the inhibition of Folylpolyglutamate synthetase, a protein transcript from the resistance association gene folC. After molecular docking to screen the traditional Chinese medicine (TCM) database, the candidate TCM compounds, with Folylpolyglutamate synthetase, were selected by molecular dynamics. The 10,000 ps simulation in association with RMSD analysis and total energy and structural variation defined the protein-ligand interaction. The selected TCM compounds Saussureamine C, methyl 3-O-feruloylquinate, and Labiatic acid have been found to inhibit the activity of bacteria and viruses and to regulate immunity. We also suggest the possible pathway in protein for each ligand. Compared with the control, similar interactions and structural variations indicate that these compounds might have an effect on Folylpolyglutamate synthetase. Finally, we suggest Saussureamine C is the best candidate compound as the complex has a high score, maintains its structural composition, and has a larger variation value than the control, thus inhibiting the drug resistance ability of  Mycobacterium tuberculosis .

biomed research international

The Inhibition of Folylpolyglutamate Synthetase (folC) in the Prevention of Drug Resistance in<i>Mycobacterium tuberculosis</i>by Traditional Chinese Medicine

The Inhibition of Folylpolyglutamate Synthetase (folC) in the Prevention of Drug Resistance inMycobacterium tuberculosisby Traditional Chinese Medicine