Phosphatidylcholine-specific phospholipase C from Achromobacter xylosoxidans.

A new phosphatidylcholine-specific phospholipase C (EC 3.1.4.3.) has been isolated from the culture broth of Achromobacter xylosoxidans. Growth conditions were optimized for maximum production of the enzyme. A temperature-sensitive synthesis was established. Chromatography on CM Sephadex and polyacrylamide gel electrophoresis of the native enzyme revealed a number of isozymes. The water soluble substrate for phospholipase p-nitrophenylphosphorylcholine was not hydrolysed by the enzyme.