Novel PF74 molecule effectively targets HIV capsid protein

Sumary of Novel PF74 molecule effectively targets HIV capsid protein:

• Of all known small molecules targeting human immunodeficiency virus (HIV) capsid protein (CA), PF74 represents by far the best characterized chemotype, due to its ability to confer antiviral phenotypes in both early and late phases of viral replication..
• The authors report on their medicinal chemistry efforts toward identifying novel and metabolically stable small molecules targeting the PF74 binding site..
• Specifically, they replaced the inter-domain-interacting, electron-rich indole ring of PF74 with less electron-rich isosteres, including imidazolidine-2,4-dione, pyrimidine-2,4-dione, and benzamide, and identified four potent antiviral compounds (10, 19, 20 and 26) with markedly improved metabolic stability..
• Compared to PF74, analog 20 exhibited similar submicromolar potency, and much longer (51-fold) half-life in human liver microsomes (HLMs)…

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From News-Medical - April 9, 2021