3TM
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 8 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 11 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 11 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 11 |
