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Mureine.svg ValidSVG translation possible en Diagram showing the bonding structure of peptidoglycan An alternating chain of Nacetylmuramic acid NAM and Nacetylglucosamine NAG has oligopeptide chains forming crosslinks The oligopeptides are bonded exclusively to the NAM and not the NAG fr Schma de l'agencement de l'acide Nactylmuramique