K134 is an inhibitor of phosphodiesterase 3. The IC50s of K134 for PDE3A, PDE3B, PDE5, PDE2 and PDE4 are 0.1, 0.28, 12.1, >300 and >300 μM, respectively.
Sp-cAMPS sodium salt 作为 cAMP 类似物,是一种依赖 cAMP 的PKA I 和PKA II 的有效激活剂。Sp-cAMPS sodium salt 还是一种有效的竞争性磷酸二酯酶 (PDE3A) 抑制剂,Ki 为 47.6 μM。Sp-cAMPS sodium salt 结合PDE10 GAF 结构域,EC50为 40 μM 。
DNMDP is a phosphodiesterase 3A inhibitor with clear cell-selective cytotoxicity. DNMDP binding to PDE3A promotes interaction between PDE3A and Schlafen 12.