Synthetic benzylisoquine compound D20 exibites stronger inhibition on CaM-activatedphosphodiesterase than TFP.IC50=5μmol/L.Flourescence analysis indicats that the asso-ciation constant (Ka) for the interaction between CaM and compound D20 is 2.64(μmol/L)-1 and compound D20 molecule possesses 2 binding sites for CaM.Binding style is discussed.
Zhang Yuan, Hu Zhuoyi, Zhao Ye, Cai Huimin. Antagonistic Effect of Benzylisoquine Compound D20 on CaM Activating Phosphodiesterase[J]. Progress in Biochemistry and Biophysics,1993,20(1):28-32
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