Ascomycin (11011-38-4) is an analog of FK-506 (Cat.# 10-1103). Potent immunosuppressant1. Binds to FKBP122 and inhibits calcineurin and NFAT. Ascomycin displays antiinflammatory effects in skin diseases3. Cell permeable and active in vivo.
1) Hatanaka et al. (1988), FR-900520 and FR-900523, novel immunosupressants isolated from a Streptomyces. II. Fermentation, isolation and physio-chemical and biological characteristics; J. Antibiot. (Tokyo), 41 1592
2) Petros et al. (1991), NMR studies of an FK506 analogue [U-13C]ascomycin, bound to FKBP: conformation and regions of ascomycin involved in binding; J. Med. Chem., 34 2925
3) Mollison et al. (1999), A macrolactam inhibitor of T helper type 1 and T helper type 2 cytokine biosynthesis for topical treatment of inflammatory skin diseases; J. Invest. Dermatol., 112 729