PCG
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| CYS | cGMPylation | Nucleotide monophosphate | Amino-acid side chain (Any position) | PTM-0677 | 0 |

| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| CYS | cGMPylation | Nucleotide monophosphate | Amino-acid side chain (Any position) | PTM-0677 | 0 |