XCC
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 59 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 69 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 59 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 60 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 44 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 0 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 59 |
