PLD Lyophilized brownish solid. PROTECT FROM MOISTURE. Native phospholipase D from Streptomyces chromofuscus. Catalyzes the hydrolysis of lecithin to phosphatidic acid and choline. Coupled with choline oxidase, it can also be used for the determination of phospholipids in serum. Activity: ≥50 units/mg dry weight. One unit is defined as the amount of enzyme that will hydrolyze 1 µmol of phosphatidylcholine per min at 37°C, pH 8.0. Contaminants: Aatalase, glucose oxidase: none detected. pH optimum 8.0. EC 3.1.4.4, CAS 9001-87-0. Ref.: Kurz, T., et al. 1993. Circ. Res. 72, 701. Natarajan, V., and Garcia, J.G. 1993. J. Lab. Clin. Med. 121, 337. Yamamoto, I., et al. 1993. Biochim. Biophys. Acta 1145, 293. R: 20/21/22; S: 36 |