FES
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| ALA | None | Metal coordination | Amino-acid backbone (Any position) | 5 | |
| ARG | None | Metal coordination | Amino-acid side chain (Any position) | 2 | |
| ARG | None | Metal coordination | Amino-acid side chain (Any position) | 2 | |
| ARG | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| ARG | None | Metal coordination | Amino-acid side chain (Any position) | 0 | |
| ASN | None | Metal coordination | Amino-acid backbone (Any position) | 1 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 7 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 5 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 29 | |
| ASP | None | Metal coordination | Amino-acid side chain (Any position) | 10 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 4725 | |
| CYS | None | Metal coordination | Amino-acid backbone (Any position) | 7 | |
| CYS | None | Metal coordination | Amino-acid backbone (Any position) | 5 | |
| CYS | None | Metal coordination | Amino-acid side chain (Any position) | 4160 | |
| CYS | None | Metal coordination | Amino-acid backbone (Any position) | 2 | |
| CYS | None | Metal coordination | Amino-acid backbone (Any position) | 1 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 24 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 1 | |
| GLU | None | Metal coordination | Amino-acid side chain (Any position) | 0 | |
| GLU | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| GLY | None | Metal coordination | Amino-acid backbone (Any position) | 2 | |
| GLY | None | Metal coordination | Amino-acid backbone (Any position) | 1 | |
| GLY | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 630 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 6 | |
| HIS | None | Metal coordination | Amino-acid backbone (Any position) | 2 | |
| HIS | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 1109 | |
| HIS | None | Metal coordination | Amino-acid side chain (Any position) | 40 | |
| HIS | None | Metal coordination | Amino-acid backbone (Any position) | 3 | |
| HIS | None | Metal coordination | Amino-acid backbone (Any position) | 4 | |
| ILE | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| LEU | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| MET | None | Metal coordination | Amino-acid side chain (Any position) | 8 | |
| PHE | None | Metal coordination | Amino-acid backbone (Any position) | 22 | |
| PRO | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| PRO | None | Metal coordination | Amino-acid backbone (Any position) | 1 | |
| SER | None | Metal coordination | Amino-acid side chain (Any position) | 4 | |
| SER | None | Metal coordination | Amino-acid backbone (Any position) | 1 | |
| SER | None | Metal coordination | Amino-acid side chain (Any position) | 9 | |
| THR | None | Metal coordination | Amino-acid backbone (Any position) | 1 | |
| THR | None | Metal coordination | Amino-acid side chain (Any position) | 0 | |
| THR | None | Metal coordination | Amino-acid side chain (Any position) | 1 | |
| TYR | None | Metal coordination | Amino-acid side chain (Any position) | 1 | |
| VAL | None | Metal coordination | Amino-acid backbone (Any position) | 0 | |
| THR | None | Metal coordination | Amino-acid backbone (Any position) | 0 |
