CSH
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| SER, HIS, GLY | None | Chromophore/chromophore-like | Amino-acid side chain and backbone (Any position) | 4 |
259987
PDB entries from 2026-09-23
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| SER, HIS, GLY | None | Chromophore/chromophore-like | Amino-acid side chain and backbone (Any position) | 4 |
259987
PDB entries from 2026-09-23