Ophiobolin A, a fungal metabolite and a phytotoxin, is a potent and irreversibly inhibitor of calmodulin-activated cyclic nucleotide phosphodiesterase, with an IC50 value of 9 μM. Ophiobolin A antimicrobial and anticancer activity[1].
References:
[1]. Leung PC, et al. Ophiobolin A. A natural product inhibitor of calmodulin. J Biol Chem. 1984 Mar 10;259(5):2742-7
















