cis-2 and trans-2-eicosenoic Fatty Acids Inhibit Mycobacterium tuberculosis Virulence Factor Protein Tyrosine Phosphatase B
Abstract
The present study aims to investigate the potential inhibitory effect of eicosenoic fatty acids on protein tyrosine phosphatase B of Mycobacterium tuberculosis (PtpB). PtpB is recognized to play a vital role in Mycobacterium tuberculosis (Mtb) successful latent infection. It prevents the fusion even between phagocytosed mycobacteria with lysosomes so that the bacteria escape from degradation. We have over-expressed recombinant Mtb PtpB within Escherichia coli BL21(DE3), and further, we have used the protein for inhibition assay with cis-2 and trans-eicosenoic fatty acids. It is revealed that at a concentration of 16 µM, cis-2- and trans-2-eicosenoic fatty acids can inhibit PtpB by 63.72% and 74.67%, respectively. Docking analysis has confirmed strong interactions of PtpB with cis-2 and trans-2-eicosenoic fatty acids, with the binding energy of -60.40 and -61.60 kcal/mol, respectively. These findings underline both fatty acids’ high potential to be further investigated to discover drugs against latent tuberculosis infection.
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Details
Primary Language
English
Subjects
Biochemistry and Cell Biology (Other)
Journal Section
Research Article
Authors
Asih Lestari
This is me
0000-0001-6593-999X
Indonesia
Munirah Munirah
This is me
0000-0002-7928-0134
Indonesia
Suryawati Farida
This is me
0000-0002-5308-5592
Indonesia
Dedy Suhendra
This is me
0000-0001-9467-779X
Indonesia
Dina Asnawati
This is me
0000-0001-9135-0767
Indonesia
Jannatin 'ardhuha
This is me
0000-0003-1982-263X
Indonesia
Baiq Sarı Ningsih
This is me
0000-0001-6893-2195
Thailand
Jufrizal Syahri
This is me
0000-0001-5502-0461
Indonesia
Publication Date
August 31, 2021
Submission Date
March 26, 2021
Acceptance Date
July 26, 2021
Published in Issue
Year 2021 Volume: 8 Number: 3
