N-(4-Aminobutyl)-5-chloro-2-naphthalenesulfonamide, HCl White solid. PROTECT FROM LIGHT. HYGROSCOPIC. Calmodulin antagonist that inhibits myosin light chain kinase (IC50 = 58 µM) and Ca2+-calmodulin-dependent phosphodiesterase (IC50 = 68 µM). Purity: ≥98% by HPLC and single spot by TLC. CAS 88519-57-7. Ref.: Hidaka, H., and Tanaka, T. 1983. Methods Enzymol. 102, 185. Tanaka, T., et al. 1983. Pharmacol. 26, 249. Tanaka, T., and Hidaka, H. 1980. J. Biol. Chem. 255, 11078. |