TMM
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| VAL | None | Crosslinker | Amino-acid backbone (N-terminal) | 2 | |
| CYS | None | Crosslinker | Amino-acid side chain (Any position) | 6 | |
| CYS | None | Crosslinker | Amino-acid side chain (Any position) | 6 | |
| CYS | None | Crosslinker | Amino-acid side chain (Any position) | 6 | |
| LYS | None | Crosslinker | Amino-acid side chain (Any position) | 2 | |
| LYS | None | Crosslinker | Amino-acid side chain (Any position) | 1 |
