| AXE | Acetylxylan estarase |
| An | (GlcNAc)n |
| CDA | Chitin deacetylase |
| COS | Chitooligosaccharides |
| Dn | (GlcNH2)n |
| DA | Degree of acetylation |
| DP | Degree of polymerization |
| GlcNAc | N-acetylglucosamine |
| GlcNH2 | Glucosamine |
| MurNAc | N-acetylmuramic acid |
| PA | Pattern of acetylation |
| PDB | Protein data bank |
| PG | Peptidoglycan |
| PNAG | Poly-β-1,6-N-acetyl-d-glucosamine |
| PPda | Putative polysaccharide deacetylase |