Figure 2From: The surface protein Shr of Streptococcus pyogenes binds heme and transfers it to the streptococcal heme-binding protein ShpSDS-PAGE showing expressed and purified recombinant Shr. Lanes: 1, protein standards; 2, E. coli with empty vector (control); 3, E. coli containing Shr; 4, purified Shr; 5, proteins isolated from control E. coli using the first step of the Shr purification. The arrow indicates the Shr band.Back to article page