Proteasome inhibition by the natural products epoxomicin and dihydroeponemycin: Insights into specificity and potency

Bioorganic & Medicinal Chemistry Letters
1999.0

Abstract

While two structurally related epoxyketone-containing antitumor natural products, epoxomicin and eponemycin, share the proteasome as a common intracellular target, they differ in their antiproliferative activity, proteasome subunit binding specificity, and rates of proteasome inhibition. As a first step towards understanding such differences and developing novel proteasome subunit-specific inhibitors, we report here the synthesis and characterization of epoxomicin/dihydroeponemycin chimerae.

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