Figure 4From: Crystal structure of the lytic CHAPK domain of the endolysin LysK from Staphylococcus aureus bacteriophage KOverexpression and activity of CHAP K mutants. A. Sodium dodecyl sulphate polyacryalamide electrophoresis gel of lysates containing over-expressed CHAPK and site-directed mutants. A control not expressing CHAPK is also included. B. Composite zymogram gel of CHAPK, site-directed mutant CHAPK variants and negative control expression lysates.Back to article page