4849F, a New Metabolite Produced by the Streptomyces sp. 4849 as an Inhibitor of IL-4 Receptor

4849F, a New Metabolite Produced by the Streptomyces sp. 4849 as an Inhibitor of IL-4 Receptor 4849F, a New Metabolite Produced by the Streptomyces sp. 4849 as an Inhibitor of IL-4 Receptor Deacetylravidomycin M, a New Inhibitor of IL-4 Signal Transduction, Produced by Streptomyces sp. WK-6326. I. Taxonomy, Fermentation, Isolation and Biological Activities. A new immunomodulator, FR-900494: Taxonomy, fermentation, isolation, and physico-chemical and biological characteristics. 713A, a New Metabolite Isolated from a Fungal Strain 713 A microbial metabolite inhibitor of CD28–CD80 interactions Condensed aromatic peptide family of microbial metabolites, inhibitors of CD28–CD80 interactions IC202B and C, New Siderophores with Immunosuppressive Activity Produced by Streptoalloteichus sp. 1454-19. New Cell-cell Adhesion Inhibitors from Streptomyces sp. UMA-044 TMC-49A, a Novel Transcriptional Up-Regulator of Low Density Lipoprotein Receptor, Produced by Streptomyces sp. AS1345.