5HU4:
reference: Inhibition of sortase A by chalcone prevents Listeria monocytogenes infection., Li H, Chen Y, Zhang B, Niu X, Song M, Luo Z, Lu G, Liu B, Zhao X, Wang J, Deng X, Biochem Pharmacol. 2016 Apr 15;106:19-29. doi: 10.1016/j.bcp.2016.01.018. Epub, 2016 Jan 28. PMID: 26826492

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