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Figure 40 Part of the polysaccharide component of bacterial cell walls, showing the alternating N-acetylmuramic acid (NAM) and N-acetylglucosamine (NAG) residues. This polysaccharide is a substrate for lysozyme, which hydrolyses the glycosidic bond at the position indicated. (For clarity, and to permit a linear representation of the molecule, some of the bonds are shown in a zig-zag form.)

 6.3 Lysozyme