FIG. 4.

SDS-PAGE for the purified PLA depolymerase from the culture supernatant of Amycolatopsis sp. K104-1. The purified enzyme preparation (1 μg of protein) was electrophoresed in an SDS-polyacrylamide gel (12.5%, wt/vol), and protein bands were stained with Coomassie brilliant blue R-250.