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) | 65 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 63 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 51 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 19 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 0 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 49 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 120 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 129 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 92 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 129 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 57 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 100 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 59 | |
| TYR | None | Metal coordination | Amino-acid side chain (Any position) | 1 |
