Arabilin is a chemical compound with the molecular formula . It was first isolated from the MK756-CF1 strain of Streptomyces in 2010. Chemically, it contains a substituted γ-pyrone ring and a p-nitrophenyl group that is rarely found in nature.
Arabilin acts as an androgen antagonist, and therefore has attracted research interest in its potential pharmacological use. A laboratory synthesis of arabilin has been reported.
Related compounds also isolated from Streptomyces include spectinabilin and SNF4435C.
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