*Please inquire the availability for this product. 1-Alaninechlamydocin is a cyclic tetrapeptide containing a single β-amino acid, which was isolated from Diheterospora chlamydosporia in 1992. Although less widely characterised than the related chlamydocin, 1-alaninechlamydocin exhibits potent antitumor activity and acts by inhibiting histone deacetylase.