Treatment of the CEM cells with the conjugate at 10-9 mol/L reduced their rate of protein synthesis by 72.4%, determined with 14C-Leucine incorporation.

• ~(14)C-亮氨酸掺入蛋白质合成抑制试验显示结合物在10~(-9)mol/L时可抑制72.；4%25的蛋白质合成。