Calphostin C is a natural chemical compound. It is one of the calphostins, isolated from the fungus Cladosporium cladosporioides. Calphostin C is a potent inhibitor of protein kinase C (PKC).
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.