FEO
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| ASN | None | Metal coordination | Amino-acid side chain (Any position) | 4 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 73 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 76 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 70 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 23 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 8 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 61 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 131 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 157 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 104 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 149 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 60 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 122 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 62 | |
| TYR | None | Metal coordination | Amino-acid side chain (Any position) | 1 |
