COA
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| ALY | None | Covalent chemical modification | Amino-acid side chain (Any position) | 1 | |
| ARG | None | Covalent chemical modification | Amino-acid side chain (Any position) | 2 | |
| ASP | None | Covalent chemical modification | Amino-acid side chain (Any position) | 9 | |
| CYS | None | Covalent chemical modification | Amino-acid side chain (Any position) | 72 | |
| GLU | None | Covalent chemical modification | Amino-acid side chain (Any position) | 15 | |
| PRK | None | Covalent chemical modification | Amino-acid side chain (Any position) | 0 |
