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Title: Antibacterial Drug Leads: DNA and Enzyme Multitargeting

Journal Article · · Journal of Medicinal Chemistry
DOI:https://doi.org/10.1021/jm501449u· OSTI ID:1172407
 [1];  [1];  [1];  [2];  [2];  [2];  [3];  [1];  [2];  [1]
  1. Univ. of Illinois, Urbana-Champaign, IL (United States). Dept. of Chemistry
  2. Chinese Academy of Sciences (CAS), Tianjin (China). Inst. of Industrial Biotechnology, Industrial Enzymes National Engineering Lab.
  3. Academia Sinica, Taipei (Taiwan). Inst. of Biological Chemistry

Here, we report the results of an investigation of the activity of a series of amidine and bisamidine compounds against Staphylococcus aureus and Escherichia coli. The most active compounds bound to an AT-rich DNA dodecamer (CGCGAATTCGCG)2 and using DSC were found to increase the melting transition by up to 24 °C. Several compounds also inhibited undecaprenyl diphosphate synthase (UPPS) with IC50 values of 100–500 nM, and we found good correlations (R2 = 0.89, S. aureus; R2 = 0.79, E. coli) between experimental and predicted cell growth inhibition by using DNA ΔTm and UPPS IC50 experimental results together with one computed descriptor. Finally, we also solved the structures of three bisamidines binding to DNA as well as three UPPS structures. Overall, the results are of general interest in the context of the development of resistance-resistant antibiotics that involve multitargeting.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Institutes of Health (NIH); National Basic Research Program of China; National Natural Science Foundation of China (NSFC)
Grant/Contract Number:
AC02-06CH11357; 085P1000817; 2011CB710800; 2011CBA00805; 31200053; 31300615
OSTI ID:
1172407
Journal Information:
Journal of Medicinal Chemistry, Vol. 58, Issue 3; ISSN 0022-2623
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 38 works
Citation information provided by
Web of Science

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Efficient O-Functionalization of Carbohydrates with Electrophilic Reagents journal August 2016
Pentamidine sensitizes Gram-negative pathogens to antibiotics and overcomes acquired colistin resistance journal March 2017
A Review on Surface Modifications and Coatings on Implants to Prevent Biofilm journal July 2019
Modeling antimalarial and antihuman African trypanosomiasis compounds: a ligand- and structure-based approaches journal November 2019
Three-Component Reaction of Benzylamines, Diethyl Phosphite and Triethyl Orthoformate: Dependence of the Reaction Course on the Structural Features of the Substrates and Reaction Conditions journal March 2017
Zn( ii ) complex with 2-quinolinecarboxaldehyde selenosemicarbazone: synthesis, structure, interaction studies with DNA/HSA, molecular docking and caspase-8 and -9 independent apoptose induction journal January 2015
Efficient O-Functionalization of Carbohydrates with Electrophilic Reagents journal August 2016