Neopikromycin and novapikromycin from the pikromycin biosynthetic pathway of Streptomyces venezuelae

Sang Kil Lee, Je Won Park, Ji Won Kim, Won Seok Jung, Sung Ryeol Park, Cha Yong Choi, Eung Soo Kim, Beom Seok Kim, Jong Seog Ahn, David H. Sherman, Yeo Joon Yoon

    Research output: Contribution to journalArticlepeer-review

    44 Citations (Scopus)

    Abstract

    Two new macrolides from the pikromycin biosynthetic pathway of Streptomyces venezuelae, neopikromycin (9) and novapikromycin (10), were identified and structurally characterized through mass spectrometry and NMR spectroscopy. The established structures showed that 9 and 10 have hydroxyl groups at C-14 (9) and at both C-12 and C-14 (10), on the basis of a comparison with narbomycin (7). The purified PikC cytochrome P450 monooxygenase catalyzes the in vitro hydroxylation of 7 and pikromycin (8) to yield 9 and 10, respectively, thus expanding the substrate- and regio-flexibility of this enzyme.

    Original languageEnglish
    Pages (from-to)847-849
    Number of pages3
    JournalJournal of Natural Products
    Volume69
    Issue number5
    DOIs
    Publication statusPublished - 2006 May

    ASJC Scopus subject areas

    • Analytical Chemistry
    • Molecular Medicine
    • Pharmacology
    • Pharmaceutical Science
    • Drug Discovery
    • Complementary and alternative medicine
    • Organic Chemistry

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