Structure and synthesis of FK409, a novel vasodilator isolated from streptomyces as a semi-artificial fermentation product.

Structure and synthesis of FK409, a novel vasodilator isolated from streptomyces as a semi-artificial fermentation product. FK409, a novel vasodilator isolated from the acid-treated fermentation broth of streptomyces griseosporeus. II. Structure of FK409 and its precursor FR-900411. FK409, a novel vasodilator isolated from the acid-treated fermentation broth of streptomyces griseosporeus. II. Structure of FK409 and its precursor FR-900411. Decomposition of FK 409, a new vasodilator: Identification of nitric oxide as a metabolite Studies on a new immunoactive peptide, FK-156. III. Structure elucidation. FK-506 related compounds produced by Streptomyces tsukubaensis No.9993. WS009 A and B, new endothelin receptor antagonists isolated from Streptomyces sp. No. 89009. I. Taxonomy, fermentation, isolation, physico-chemical properties and biological activities. Chemical and Biological Characterization of Two FK506 Analogs Produced by Targeted Gene Disruption in Streptomyces sp. MA6548. Isolation of 4-aminoanthranilic acid: A new shikimate pathway product from streptomyces flocculus. Structure of FR900452, a novel platelet-activating factor inhibitor from a Streptomyces