Selective cell-permeable peptide inhibitor of protein kinase C (IC50 ~ 0.5 μM). Consists of amino acids 19 - 31 of PKC pseudosubstrate domain linked by a disulphide bridge to a cell permeabilisation Antennapedia domain vector peptide. The Antennapedia peptide is actively taken up by intact cells, at 4 or 37°C, ensuring rapid and effective uptake of the inhibitor peptide. Once inside the cell, the disulphide bonds are subjected to reduction in the cytoplasm leading to release of the inhibitor peptide.

PKC-theta 抑制剂是 PKC-θ 抑制剂，IC50 为 12 nM。

R 59-022 (DKGI-I) hydrochloride 是一种 DGK 抑制剂 (IC50: 2.8 μM)。R 59-022 hydrochloride 抑制 OAG 磷酸化为 OAPA。R 59-022 hydrochloride 是一种 5-HT Receptor 拮抗剂，可激活蛋白激酶 C (PKC)。R 59-022 增强血小板中凝血酶诱导的甘油二酯的产生，并抑制嗜中性粒细胞中磷脂酸的产生。