Fig. 1From: Cellular Penetration of Fluorescently Labeled Superoxide Dismutases of Various OriginsSDS-PAGE. Each lane (1–4) contains 1 µg of sample protein. (1) Recombinant human CuZn SOD, BTG; (2) CuZn SOD from bovine erythrocytes, Sigma; (3) CuZn SOD from bovine erythrocytes, Palleau Production; (4) CuZn SOD from equine erythrocytes, Palleau Production; (5) recombinant human Mn SOD, BTG; (6) Mn SOD from E. coli Sigma; (7) low-molecular-weight protein markers (mol. wt. 29000–116000).Back to article page