Peptidoglycan

1. Glycan Chain length

2. Peptide Stem

2.1. Murine Ligases

2.2. Biosynthesis

3. Cross Linking of amino acids in the peptide Stem

3.1. 3-4 cross linkage

3.2. 2-4 cross linkage

4. Fine structure

4.1. Variation of PG muropeptide composition

4.2. Surface density of PG