<P> The structure of peptidoglycan . NAG = N - acetylglucosamine (also called GlcNAc or NAGA), NAM = N - acetylmuramic acid (also called MurNAc or NAMA). </P> <Li> <P> Gram - positive cell wall </P> </Li> <P> Gram - positive cell wall </P> <Li> <P> Penicillin binding protein forming cross-links in newly formed bacterial cell wall . </P> </Li>

Peptidoglycans are components of the cell walls in