Gm. Salituro et al., MERIDAMYCIN - A NOVEL NONIMMUNOSUPPRESSIVE FKBP12 LIGAND FROM STREPTOMYCES-HYGROSCOPICUS, Tetrahedron letters, 36(7), 1995, pp. 997-1000
A novel, 27-membered macrolide, meridamycin, was isolated from a strai
n of Streptomyces hygroscopicus and found to inhibit the binding of FK
-506 to FKBP12 and to antagonize the immunosuppressive activity of bot
h FK-506 and rapamycin. The isolation, structure elucidation, and biol
ogical activity of this compound are described in this paper.