Molecular docking analysis of long-chain alkanes with the β-lactamase BEL-1 from P. aeruginosa

V R Gayathri1, B Prakash1,2, J V Yashika1

  • 1Department of Biotechnology, Vivekanandha College of Arts & Science for Women (Autonomous) Trichengode, Tamilnadu, India.

Bioinformation
|March 22, 2023
PubMed

Insights

Researchers explored non-antibiotic compounds against Pseudomonas aeruginosa. Molecular docking revealed nonadecane has promising binding features and drug-likeness for potential therapeutic development against antibiotic-resistant bacteria.

Area of Science:

  • Microbiology
  • Computational Chemistry
  • Drug Discovery

Background:

  • Pseudomonas aeruginosa is a globally significant gram-negative opportunistic pathogen.
  • Innate antibiotic resistance in P. aeruginosa necessitates novel non-antibiotic therapeutic strategies.
  • Beta-lactamase enzymes are key contributors to antibiotic resistance in bacteria.

Purpose of the Study:

  • To investigate the molecular docking interactions of long-chain alkanes with the beta-lactamase BEL-1 enzyme from Pseudomonas aeruginosa.
  • To evaluate the binding affinity and drug-likeness of eicosane, triacontane, and nonadecane as potential non-antibiotic agents.
  • To identify promising natural compounds for further development against antibiotic-resistant P. aeruginosa.

Main Methods:

  • Molecular docking simulations were performed using computational chemistry approaches.
  • Three long-chain alkanes (eicosane, triacontane, nonadecane) were docked against the BEL-1 enzyme.
  • Binding features and drug-likeness properties of the alkanes were analyzed and compared.

Main Results:

  • Nonadecane exhibited favorable binding characteristics with the BEL-1 enzyme.
  • Nonadecane demonstrated superior drug-likeness compared to eicosane and triacontane.
  • The binding potential suggests nonadecane as a viable candidate for further investigation.

Conclusions:

  • Nonadecane presents a promising non-antibiotic lead compound for combating Pseudomonas aeruginosa infections.
  • The natural abundance and favorable molecular docking profile of nonadecane support its potential therapeutic application.
  • Further research is warranted to validate nonadecane's efficacy and safety in preclinical models.