The structure of a disaccharide liberated by lysozyme from the cell walls of Micrococcus lysodeikticus

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Abstract
An oligosaccharide isolated from lysozyme digests of the cell walls of M. lysodeikticus contains only N-acetylglucosamine and N-acetylmuramic acid, thus confirming the work of Salton (1956). Oxidation of this oligosaccharide with alkaline iodine solution, followed by acid hydrolysis, shows that it is a disaccharide, the reducing terminus of which is N-acetylmuramic acid. Study of the Morgan-Elson chromogens formed by heating the disaccharide with alkaline solutions shows that its structure is 6-0-(N-acetylglycosaminyl) -N-acetylmuramic acid.