| Description | K-252b, an indolocarbazole derived from the actinomycete Nocardiopsis, functions as a protein kinase C (PKC) inhibitor. It is effective in inhibiting extracellular kinases in cultured cells due to its inability to freely cross the cell membrane. |
| molecular weight | 453.45 |
| Molecular formula | C26H19N3O5 |
| CAS | 99570-78-2 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| References | 1. Yasuzawa, T., et al. The structures of the novel protein kinase C inhibitors K-252a, b, c AND d Journal of Antibiotics 39(8), 1072-1078 (1986). 2. Plomp, J.J., et al. Involvement of protein kinases in the upregulation of acetylcholine release at endplates of α-bungarotoxin-treated rats Journal of Physiology 493, 175-186 (1996). 3. Zhu, X., et al. Evidence of ectokinase-mediated phosphorylation of osteopontin and bone sialoprotein by osteoblasts during bone formation in vitro Biochemistry Journal 323, 637-643 (1997). |