Abstract:
:Protein-protein interfaces provide an important class of drug targets currently receiving increased attention. The typical design strategy to inhibit protein-protein interactions usually involves large molecules such as peptides and macrocycles. One exception is tranexamic acid (TXA), which, as a lysine mimetic, inhibits binding of plasminogen to fibrin. However, the daily dose of TXA is high due to its modest potency and pharmacokinetic properties. In this study, we report a computational approach, where the focus was on finding electrostatic potential similarities to TXA. Coupling this computational technique with a high-quality low-throughput screen identified 5-(4-piperidyl)-3-isoxazolol (4-PIOL) as a potent plasminogen binding inhibitor with the potential for the treatment of various bleeding disorders. Remarkably, 4-PIOL was found to be more than four times as potent as the drug TXA.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Boström J,Grant JA,Fjellström O,Thelin A,Gustafsson Ddoi
10.1021/jm301818gsubject
Has Abstractpub_date
2013-04-25 00:00:00pages
3273-80issue
8eissn
0022-2623issn
1520-4804journal_volume
56pub_type
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