Fig. 1

12.5% SDS-PAGE of Mrl2 purification. 5 µg total protein was loaded in each lane; M pre-stained protein markers; a Coomassie staining; 1 Mrl2 after DEAE FF purification, 2 Mrl2 after DEAE FF purification and PNGase F (indicated by an arrow) treatment, b zymogram with ABTS 1 purified Mrl2