Utilizing in silico and in vitro methods to identify possible binding sites of a novel ligand against Pseudomonas aeruginosa phospholipase toxin ExoU |
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Authors: | Krista Chamberlain Mya Johnson Terry-Elinor Reid Tzvia I. Springer |
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Affiliation: | 1. Pharmaceutical Sciences Department, School of Pharmacy, Concordia University Wisconsin, Mequon, WI, 53097, USA;2. Harvard Faculty of Arts and Science, School of Engineering and Applied Sciences, 150 Western Ave, Boston, MA, 02134, USA |
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Abstract: | Multi-drug resistant infections caused by the opportunistic pathogen, Pseudomonas aeruginosa (P. aeruginosa), are a continuing problem that contribute to morbidity and mortality in immunocompromised hosts such as cystic fibrosis (CF), wound and burn patients. The bacterial toxin ExoU is one of four potent toxins that P. aeruginosa secretes into the epithelial cells of hosts. In this study, NMR Saturation Transfer Difference (STD) and in silico Schrödinger Computational Modeling were used to identify a possible binding site of a novel ligand methoctramine targeting ExoU. Future project goals will be to design a structure activity relationship (SAR) study of methoctramine and ExoU and lead to a new drug solving ExoU toxicity P. aeruginosa exerts in the clinical environment. |
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Keywords: | Phospholipase ExoU Saturation transfer nuclear magnetic resonance NMR" },{" #name" :" keyword" ," $" :{" id" :" kwrd0055" }," $$" :[{" #name" :" text" ," _" :" Nuclear Magnetic Resonance STD" },{" #name" :" keyword" ," $" :{" id" :" kwrd0065" }," $$" :[{" #name" :" text" ," _" :" Saturation Transfer Difference MES" },{" #name" :" keyword" ," $" :{" id" :" kwrd0075" }," $$" :[{" #name" :" text" ," _" :" Molecular Electrostatic Potential DPFGSE" },{" #name" :" keyword" ," $" :{" id" :" kwrd0085" }," $$" :[{" #name" :" text" ," _" :" Double Pulsed Field Gradient Spin Echo |
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